hotspot/src/share/vm/c1/c1_GraphBuilder.cpp
author iignatyev
Fri, 13 Mar 2015 21:53:13 +0300
changeset 29582 9a0bb63adf5a
parent 29083 5e7bce2712ac
child 30209 8ea30dc99369
permissions -rw-r--r--
8073607: add trace events for inlining Reviewed-by: kvn, fzhinkin, mgronlun
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/*
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 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "c1/c1_CFGPrinter.hpp"
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#include "c1/c1_Canonicalizer.hpp"
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#include "c1/c1_Compilation.hpp"
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#include "c1/c1_GraphBuilder.hpp"
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#include "c1/c1_InstructionPrinter.hpp"
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#include "ci/ciCallSite.hpp"
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#include "ci/ciField.hpp"
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#include "ci/ciKlass.hpp"
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#include "ci/ciMemberName.hpp"
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#include "compiler/compileBroker.hpp"
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#include "interpreter/bytecode.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/compilationPolicy.hpp"
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#include "runtime/vm_version.hpp"
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#include "utilities/bitMap.inline.hpp"
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class BlockListBuilder VALUE_OBJ_CLASS_SPEC {
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 private:
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  Compilation* _compilation;
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  IRScope*     _scope;
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  BlockList    _blocks;                // internal list of all blocks
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  BlockList*   _bci2block;             // mapping from bci to blocks for GraphBuilder
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  // fields used by mark_loops
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  BitMap       _active;                // for iteration of control flow graph
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  BitMap       _visited;               // for iteration of control flow graph
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  intArray     _loop_map;              // caches the information if a block is contained in a loop
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  int          _next_loop_index;       // next free loop number
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  int          _next_block_number;     // for reverse postorder numbering of blocks
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  // accessors
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  Compilation*  compilation() const              { return _compilation; }
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  IRScope*      scope() const                    { return _scope; }
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  ciMethod*     method() const                   { return scope()->method(); }
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  XHandlers*    xhandlers() const                { return scope()->xhandlers(); }
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  // unified bailout support
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  void          bailout(const char* msg) const   { compilation()->bailout(msg); }
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  bool          bailed_out() const               { return compilation()->bailed_out(); }
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  // helper functions
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  BlockBegin* make_block_at(int bci, BlockBegin* predecessor);
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  void handle_exceptions(BlockBegin* current, int cur_bci);
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  void handle_jsr(BlockBegin* current, int sr_bci, int next_bci);
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  void store_one(BlockBegin* current, int local);
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  void store_two(BlockBegin* current, int local);
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  void set_entries(int osr_bci);
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  void set_leaders();
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  void make_loop_header(BlockBegin* block);
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  void mark_loops();
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  int  mark_loops(BlockBegin* b, bool in_subroutine);
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  // debugging
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#ifndef PRODUCT
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  void print();
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#endif
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 public:
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  // creation
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  BlockListBuilder(Compilation* compilation, IRScope* scope, int osr_bci);
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  // accessors for GraphBuilder
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  BlockList*    bci2block() const                { return _bci2block; }
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};
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// Implementation of BlockListBuilder
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BlockListBuilder::BlockListBuilder(Compilation* compilation, IRScope* scope, int osr_bci)
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 : _compilation(compilation)
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 , _scope(scope)
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 , _blocks(16)
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 , _bci2block(new BlockList(scope->method()->code_size(), NULL))
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 , _next_block_number(0)
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 , _active()         // size not known yet
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 , _visited()        // size not known yet
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 , _next_loop_index(0)
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 , _loop_map() // size not known yet
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{
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  set_entries(osr_bci);
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  set_leaders();
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  CHECK_BAILOUT();
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  mark_loops();
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  NOT_PRODUCT(if (PrintInitialBlockList) print());
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#ifndef PRODUCT
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  if (PrintCFGToFile) {
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    stringStream title;
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    title.print("BlockListBuilder ");
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    scope->method()->print_name(&title);
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    CFGPrinter::print_cfg(_bci2block, title.as_string(), false, false);
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  }
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#endif
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}
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void BlockListBuilder::set_entries(int osr_bci) {
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  // generate start blocks
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  BlockBegin* std_entry = make_block_at(0, NULL);
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  if (scope()->caller() == NULL) {
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    std_entry->set(BlockBegin::std_entry_flag);
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  }
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  if (osr_bci != -1) {
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    BlockBegin* osr_entry = make_block_at(osr_bci, NULL);
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    osr_entry->set(BlockBegin::osr_entry_flag);
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  }
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  // generate exception entry blocks
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  XHandlers* list = xhandlers();
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  const int n = list->length();
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  for (int i = 0; i < n; i++) {
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    XHandler* h = list->handler_at(i);
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    BlockBegin* entry = make_block_at(h->handler_bci(), NULL);
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    entry->set(BlockBegin::exception_entry_flag);
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    h->set_entry_block(entry);
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  }
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}
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BlockBegin* BlockListBuilder::make_block_at(int cur_bci, BlockBegin* predecessor) {
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  assert(method()->bci_block_start().at(cur_bci), "wrong block starts of MethodLivenessAnalyzer");
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  BlockBegin* block = _bci2block->at(cur_bci);
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  if (block == NULL) {
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    block = new BlockBegin(cur_bci);
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    block->init_stores_to_locals(method()->max_locals());
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    _bci2block->at_put(cur_bci, block);
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    _blocks.append(block);
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    assert(predecessor == NULL || predecessor->bci() < cur_bci, "targets for backward branches must already exist");
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  }
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  if (predecessor != NULL) {
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    if (block->is_set(BlockBegin::exception_entry_flag)) {
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      BAILOUT_("Exception handler can be reached by both normal and exceptional control flow", block);
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    }
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    predecessor->add_successor(block);
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    block->increment_total_preds();
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  }
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  return block;
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}
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inline void BlockListBuilder::store_one(BlockBegin* current, int local) {
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  current->stores_to_locals().set_bit(local);
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}
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inline void BlockListBuilder::store_two(BlockBegin* current, int local) {
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  store_one(current, local);
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  store_one(current, local + 1);
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}
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void BlockListBuilder::handle_exceptions(BlockBegin* current, int cur_bci) {
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  // Draws edges from a block to its exception handlers
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  XHandlers* list = xhandlers();
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  const int n = list->length();
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  for (int i = 0; i < n; i++) {
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    XHandler* h = list->handler_at(i);
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   191
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   192
    if (h->covers(cur_bci)) {
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   193
      BlockBegin* entry = h->entry_block();
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   194
      assert(entry != NULL && entry == _bci2block->at(h->handler_bci()), "entry must be set");
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   195
      assert(entry->is_set(BlockBegin::exception_entry_flag), "flag must be set");
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   196
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   197
      // add each exception handler only once
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   198
      if (!current->is_successor(entry)) {
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   199
        current->add_successor(entry);
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   200
        entry->increment_total_preds();
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   201
      }
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   202
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   203
      // stop when reaching catchall
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   204
      if (h->catch_type() == 0) break;
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   205
    }
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   206
  }
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   207
}
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   208
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   209
void BlockListBuilder::handle_jsr(BlockBegin* current, int sr_bci, int next_bci) {
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   210
  // start a new block after jsr-bytecode and link this block into cfg
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   211
  make_block_at(next_bci, current);
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   212
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   213
  // start a new block at the subroutine entry at mark it with special flag
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   214
  BlockBegin* sr_block = make_block_at(sr_bci, current);
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   215
  if (!sr_block->is_set(BlockBegin::subroutine_entry_flag)) {
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   216
    sr_block->set(BlockBegin::subroutine_entry_flag);
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   217
  }
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   218
}
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   219
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   220
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   221
void BlockListBuilder::set_leaders() {
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   222
  bool has_xhandlers = xhandlers()->has_handlers();
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   223
  BlockBegin* current = NULL;
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   224
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   225
  // The information which bci starts a new block simplifies the analysis
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   226
  // Without it, backward branches could jump to a bci where no block was created
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   227
  // during bytecode iteration. This would require the creation of a new block at the
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   228
  // branch target and a modification of the successor lists.
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   229
  BitMap bci_block_start = method()->bci_block_start();
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   230
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   231
  ciBytecodeStream s(method());
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   232
  while (s.next() != ciBytecodeStream::EOBC()) {
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   233
    int cur_bci = s.cur_bci();
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   234
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   235
    if (bci_block_start.at(cur_bci)) {
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   236
      current = make_block_at(cur_bci, current);
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   237
    }
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   238
    assert(current != NULL, "must have current block");
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   239
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   240
    if (has_xhandlers && GraphBuilder::can_trap(method(), s.cur_bc())) {
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   241
      handle_exceptions(current, cur_bci);
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   242
    }
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   243
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   244
    switch (s.cur_bc()) {
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   245
      // track stores to local variables for selective creation of phi functions
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   246
      case Bytecodes::_iinc:     store_one(current, s.get_index()); break;
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   247
      case Bytecodes::_istore:   store_one(current, s.get_index()); break;
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   248
      case Bytecodes::_lstore:   store_two(current, s.get_index()); break;
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   249
      case Bytecodes::_fstore:   store_one(current, s.get_index()); break;
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   250
      case Bytecodes::_dstore:   store_two(current, s.get_index()); break;
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   251
      case Bytecodes::_astore:   store_one(current, s.get_index()); break;
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   252
      case Bytecodes::_istore_0: store_one(current, 0); break;
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   253
      case Bytecodes::_istore_1: store_one(current, 1); break;
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   254
      case Bytecodes::_istore_2: store_one(current, 2); break;
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   255
      case Bytecodes::_istore_3: store_one(current, 3); break;
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   256
      case Bytecodes::_lstore_0: store_two(current, 0); break;
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   257
      case Bytecodes::_lstore_1: store_two(current, 1); break;
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   258
      case Bytecodes::_lstore_2: store_two(current, 2); break;
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   259
      case Bytecodes::_lstore_3: store_two(current, 3); break;
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   260
      case Bytecodes::_fstore_0: store_one(current, 0); break;
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   261
      case Bytecodes::_fstore_1: store_one(current, 1); break;
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parents:
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   262
      case Bytecodes::_fstore_2: store_one(current, 2); break;
489c9b5090e2 Initial load
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parents:
diff changeset
   263
      case Bytecodes::_fstore_3: store_one(current, 3); break;
489c9b5090e2 Initial load
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   264
      case Bytecodes::_dstore_0: store_two(current, 0); break;
489c9b5090e2 Initial load
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   265
      case Bytecodes::_dstore_1: store_two(current, 1); break;
489c9b5090e2 Initial load
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   266
      case Bytecodes::_dstore_2: store_two(current, 2); break;
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   267
      case Bytecodes::_dstore_3: store_two(current, 3); break;
489c9b5090e2 Initial load
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   268
      case Bytecodes::_astore_0: store_one(current, 0); break;
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   269
      case Bytecodes::_astore_1: store_one(current, 1); break;
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   270
      case Bytecodes::_astore_2: store_one(current, 2); break;
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   271
      case Bytecodes::_astore_3: store_one(current, 3); break;
489c9b5090e2 Initial load
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   272
489c9b5090e2 Initial load
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parents:
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   273
      // track bytecodes that affect the control flow
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   274
      case Bytecodes::_athrow:  // fall through
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   275
      case Bytecodes::_ret:     // fall through
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parents:
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   276
      case Bytecodes::_ireturn: // fall through
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   277
      case Bytecodes::_lreturn: // fall through
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   278
      case Bytecodes::_freturn: // fall through
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   279
      case Bytecodes::_dreturn: // fall through
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   280
      case Bytecodes::_areturn: // fall through
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   281
      case Bytecodes::_return:
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   282
        current = NULL;
489c9b5090e2 Initial load
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diff changeset
   283
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   284
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parents:
diff changeset
   285
      case Bytecodes::_ifeq:      // fall through
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parents:
diff changeset
   286
      case Bytecodes::_ifne:      // fall through
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parents:
diff changeset
   287
      case Bytecodes::_iflt:      // fall through
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parents:
diff changeset
   288
      case Bytecodes::_ifge:      // fall through
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diff changeset
   289
      case Bytecodes::_ifgt:      // fall through
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parents:
diff changeset
   290
      case Bytecodes::_ifle:      // fall through
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parents:
diff changeset
   291
      case Bytecodes::_if_icmpeq: // fall through
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parents:
diff changeset
   292
      case Bytecodes::_if_icmpne: // fall through
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parents:
diff changeset
   293
      case Bytecodes::_if_icmplt: // fall through
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parents:
diff changeset
   294
      case Bytecodes::_if_icmpge: // fall through
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parents:
diff changeset
   295
      case Bytecodes::_if_icmpgt: // fall through
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parents:
diff changeset
   296
      case Bytecodes::_if_icmple: // fall through
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parents:
diff changeset
   297
      case Bytecodes::_if_acmpeq: // fall through
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parents:
diff changeset
   298
      case Bytecodes::_if_acmpne: // fall through
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parents:
diff changeset
   299
      case Bytecodes::_ifnull:    // fall through
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parents:
diff changeset
   300
      case Bytecodes::_ifnonnull:
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parents:
diff changeset
   301
        make_block_at(s.next_bci(), current);
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parents:
diff changeset
   302
        make_block_at(s.get_dest(), current);
489c9b5090e2 Initial load
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   303
        current = NULL;
489c9b5090e2 Initial load
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diff changeset
   304
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   305
489c9b5090e2 Initial load
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parents:
diff changeset
   306
      case Bytecodes::_goto:
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parents:
diff changeset
   307
        make_block_at(s.get_dest(), current);
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parents:
diff changeset
   308
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   309
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   310
489c9b5090e2 Initial load
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parents:
diff changeset
   311
      case Bytecodes::_goto_w:
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parents:
diff changeset
   312
        make_block_at(s.get_far_dest(), current);
489c9b5090e2 Initial load
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parents:
diff changeset
   313
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   314
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   315
489c9b5090e2 Initial load
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parents:
diff changeset
   316
      case Bytecodes::_jsr:
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parents:
diff changeset
   317
        handle_jsr(current, s.get_dest(), s.next_bci());
489c9b5090e2 Initial load
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parents:
diff changeset
   318
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   319
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   320
489c9b5090e2 Initial load
duke
parents:
diff changeset
   321
      case Bytecodes::_jsr_w:
489c9b5090e2 Initial load
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parents:
diff changeset
   322
        handle_jsr(current, s.get_far_dest(), s.next_bci());
489c9b5090e2 Initial load
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parents:
diff changeset
   323
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   324
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   325
489c9b5090e2 Initial load
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parents:
diff changeset
   326
      case Bytecodes::_tableswitch: {
489c9b5090e2 Initial load
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parents:
diff changeset
   327
        // set block for each case
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   328
        Bytecode_tableswitch sw(&s);
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   329
        int l = sw.length();
1
489c9b5090e2 Initial load
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parents:
diff changeset
   330
        for (int i = 0; i < l; i++) {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   331
          make_block_at(cur_bci + sw.dest_offset_at(i), current);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   332
        }
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   333
        make_block_at(cur_bci + sw.default_offset(), current);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   334
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   335
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   336
      }
489c9b5090e2 Initial load
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parents:
diff changeset
   337
489c9b5090e2 Initial load
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parents:
diff changeset
   338
      case Bytecodes::_lookupswitch: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
        // set block for each case
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   340
        Bytecode_lookupswitch sw(&s);
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   341
        int l = sw.number_of_pairs();
1
489c9b5090e2 Initial load
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parents:
diff changeset
   342
        for (int i = 0; i < l; i++) {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   343
          make_block_at(cur_bci + sw.pair_at(i).offset(), current);
1
489c9b5090e2 Initial load
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parents:
diff changeset
   344
        }
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
   345
        make_block_at(cur_bci + sw.default_offset(), current);
1
489c9b5090e2 Initial load
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parents:
diff changeset
   346
        current = NULL;
489c9b5090e2 Initial load
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parents:
diff changeset
   347
        break;
489c9b5090e2 Initial load
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parents:
diff changeset
   348
      }
489c9b5090e2 Initial load
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parents:
diff changeset
   349
    }
489c9b5090e2 Initial load
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parents:
diff changeset
   350
  }
489c9b5090e2 Initial load
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parents:
diff changeset
   351
}
489c9b5090e2 Initial load
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parents:
diff changeset
   352
489c9b5090e2 Initial load
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parents:
diff changeset
   353
489c9b5090e2 Initial load
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parents:
diff changeset
   354
void BlockListBuilder::mark_loops() {
489c9b5090e2 Initial load
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parents:
diff changeset
   355
  ResourceMark rm;
489c9b5090e2 Initial load
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parents:
diff changeset
   356
489c9b5090e2 Initial load
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parents:
diff changeset
   357
  _active = BitMap(BlockBegin::number_of_blocks());         _active.clear();
489c9b5090e2 Initial load
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parents:
diff changeset
   358
  _visited = BitMap(BlockBegin::number_of_blocks());        _visited.clear();
489c9b5090e2 Initial load
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parents:
diff changeset
   359
  _loop_map = intArray(BlockBegin::number_of_blocks(), 0);
489c9b5090e2 Initial load
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parents:
diff changeset
   360
  _next_loop_index = 0;
489c9b5090e2 Initial load
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parents:
diff changeset
   361
  _next_block_number = _blocks.length();
489c9b5090e2 Initial load
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parents:
diff changeset
   362
489c9b5090e2 Initial load
duke
parents:
diff changeset
   363
  // recursively iterate the control flow graph
489c9b5090e2 Initial load
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parents:
diff changeset
   364
  mark_loops(_bci2block->at(0), false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
  assert(_next_block_number >= 0, "invalid block numbers");
489c9b5090e2 Initial load
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parents:
diff changeset
   366
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
void BlockListBuilder::make_loop_header(BlockBegin* block) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
  if (block->is_set(BlockBegin::exception_entry_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
    // exception edges may look like loops but don't mark them as such
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
    // since it screws up block ordering.
489c9b5090e2 Initial load
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parents:
diff changeset
   372
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  if (!block->is_set(BlockBegin::parser_loop_header_flag)) {
489c9b5090e2 Initial load
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parents:
diff changeset
   375
    block->set(BlockBegin::parser_loop_header_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
    assert(_loop_map.at(block->block_id()) == 0, "must not be set yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
    assert(0 <= _next_loop_index && _next_loop_index < BitsPerInt, "_next_loop_index is used as a bit-index in integer");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
    _loop_map.at_put(block->block_id(), 1 << _next_loop_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
    if (_next_loop_index < 31) _next_loop_index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
    // block already marked as loop header
4430
95b539dfa1e8 6769124: various 64-bit fixes for c1
roland
parents: 3908
diff changeset
   383
    assert(is_power_of_2((unsigned int)_loop_map.at(block->block_id())), "exactly one bit must be set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
int BlockListBuilder::mark_loops(BlockBegin* block, bool in_subroutine) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
  int block_id = block->block_id();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
  if (_visited.at(block_id)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
    if (_active.at(block_id)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
      // reached block via backward branch
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
      make_loop_header(block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
    // return cached loop information for this block
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
    return _loop_map.at(block_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
  if (block->is_set(BlockBegin::subroutine_entry_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
    in_subroutine = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  // set active and visited bits before successors are processed
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
  _visited.set_bit(block_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
  _active.set_bit(block_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
  intptr_t loop_state = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
  for (int i = block->number_of_sux() - 1; i >= 0; i--) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
    // recursively process all successors
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
    loop_state |= mark_loops(block->sux_at(i), in_subroutine);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  // clear active-bit after all successors are processed
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
  _active.clear_bit(block_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
  // reverse-post-order numbering of all blocks
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  block->set_depth_first_number(_next_block_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
  _next_block_number--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
  if (loop_state != 0 || in_subroutine ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
    // block is contained at least in one loop, so phi functions are necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
    // phi functions are also necessary for all locals stored in a subroutine
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
    scope()->requires_phi_function().set_union(block->stores_to_locals());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  if (block->is_set(BlockBegin::parser_loop_header_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
    int header_loop_state = _loop_map.at(block_id);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
    assert(is_power_of_2((unsigned)header_loop_state), "exactly one bit must be set");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
    // If the highest bit is set (i.e. when integer value is negative), the method
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
    // has 32 or more loops. This bit is never cleared because it is used for multiple loops
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
    if (header_loop_state >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
      clear_bits(loop_state, header_loop_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
  // cache and return loop information for this block
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
  _loop_map.at_put(block_id, loop_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  return loop_state;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
int compare_depth_first(BlockBegin** a, BlockBegin** b) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  return (*a)->depth_first_number() - (*b)->depth_first_number();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
void BlockListBuilder::print() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  tty->print("----- initial block list of BlockListBuilder for method ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  method()->print_short_name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  // better readability if blocks are sorted in processing order
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
  _blocks.sort(compare_depth_first);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
  for (int i = 0; i < _blocks.length(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
    BlockBegin* cur = _blocks.at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
    tty->print("%4d: B%-4d bci: %-4d  preds: %-4d ", cur->depth_first_number(), cur->block_id(), cur->bci(), cur->total_preds());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    tty->print(cur->is_set(BlockBegin::std_entry_flag)               ? " std" : "    ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
    tty->print(cur->is_set(BlockBegin::osr_entry_flag)               ? " osr" : "    ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
    tty->print(cur->is_set(BlockBegin::exception_entry_flag)         ? " ex" : "   ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
    tty->print(cur->is_set(BlockBegin::subroutine_entry_flag)        ? " sr" : "   ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
    tty->print(cur->is_set(BlockBegin::parser_loop_header_flag)      ? " lh" : "   ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
    if (cur->number_of_sux() > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
      tty->print("    sux: ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
      for (int j = 0; j < cur->number_of_sux(); j++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
        BlockBegin* sux = cur->sux_at(j);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
        tty->print("B%d ", sux->block_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
// A simple growable array of Values indexed by ciFields
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
class FieldBuffer: public CompilationResourceObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
  GrowableArray<Value> _values;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  FieldBuffer() {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
  void kill() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
    _values.trunc_to(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
  Value at(ciField* field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
    assert(field->holder()->is_loaded(), "must be a loaded field");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
    int offset = field->offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
    if (offset < _values.length()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
      return _values.at(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
  void at_put(ciField* field, Value value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
    assert(field->holder()->is_loaded(), "must be a loaded field");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
    int offset = field->offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
    _values.at_put_grow(offset, value, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
// MemoryBuffer is fairly simple model of the current state of memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
// It partitions memory into several pieces.  The first piece is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
// generic memory where little is known about the owner of the memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
// This is conceptually represented by the tuple <O, F, V> which says
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
// that the field F of object O has value V.  This is flattened so
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
// that F is represented by the offset of the field and the parallel
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
// arrays _objects and _values are used for O and V.  Loads of O.F can
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
// simply use V.  Newly allocated objects are kept in a separate list
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
// along with a parallel array for each object which represents the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
// current value of its fields.  Stores of the default value to fields
489c9b5090e2 Initial load
duke
parents:
diff changeset
   522
// which have never been stored to before are eliminated since they
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
// are redundant.  Once newly allocated objects are stored into
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
// another object or they are passed out of the current compile they
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
// are treated like generic memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
class MemoryBuffer: public CompilationResourceObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
  FieldBuffer                 _values;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
  GrowableArray<Value>        _objects;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
  GrowableArray<Value>        _newobjects;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
  GrowableArray<FieldBuffer*> _fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
  MemoryBuffer() {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
  StoreField* store(StoreField* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
    if (!EliminateFieldAccess) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
      return st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
    Value object = st->obj();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
    Value value = st->value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
    ciField* field = st->field();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
    if (field->holder()->is_loaded()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
      int offset = field->offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
      int index = _newobjects.find(object);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
      if (index != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
        // newly allocated object with no other stores performed on this field
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
        FieldBuffer* buf = _fields.at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
        if (buf->at(field) == NULL && is_default_value(value)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
          if (PrintIRDuringConstruction && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
            tty->print_cr("Eliminated store for object %d:", index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
            st->print_line();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
          return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
          buf->at_put(field, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
        _objects.at_put_grow(offset, object, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
        _values.at_put(field, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
      store_value(value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
      // if we held onto field names we could alias based on names but
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
      // we don't know what's being stored to so kill it all.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
      kill();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
    return st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
  // return true if this value correspond to the default value of a field.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
  bool is_default_value(Value value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
    Constant* con = value->as_Constant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
    if (con) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
      switch (con->type()->tag()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
        case intTag:    return con->type()->as_IntConstant()->value() == 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
        case longTag:   return con->type()->as_LongConstant()->value() == 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
        case floatTag:  return jint_cast(con->type()->as_FloatConstant()->value()) == 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
        case doubleTag: return jlong_cast(con->type()->as_DoubleConstant()->value()) == jlong_cast(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
        case objectTag: return con->type() == objectNull;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
        default:  ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
  // return either the actual value of a load or the load itself
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
  Value load(LoadField* load) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
    if (!EliminateFieldAccess) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
      return load;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
    if (RoundFPResults && UseSSE < 2 && load->type()->is_float_kind()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
      // can't skip load since value might get rounded as a side effect
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
      return load;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
    ciField* field = load->field();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
    Value object   = load->obj();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
    if (field->holder()->is_loaded() && !field->is_volatile()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
      int offset = field->offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
      Value result = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
      int index = _newobjects.find(object);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
      if (index != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
        result = _fields.at(index)->at(field);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
      } else if (_objects.at_grow(offset, NULL) == object) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
        result = _values.at(field);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
      if (result != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
        if (PrintIRDuringConstruction && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
          tty->print_cr("Eliminated load: ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
          load->print_line();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
        assert(result->type()->tag() == load->type()->tag(), "wrong types");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
        return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
    return load;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   629
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
  // Record this newly allocated object
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
  void new_instance(NewInstance* object) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   632
    int index = _newobjects.length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
    _newobjects.append(object);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
    if (_fields.at_grow(index, NULL) == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
      _fields.at_put(index, new FieldBuffer());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
      _fields.at(index)->kill();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
  void store_value(Value value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
    int index = _newobjects.find(value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
    if (index != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
      // stored a newly allocated object into another object.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
      // Assume we've lost track of it as separate slice of memory.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
      // We could do better by keeping track of whether individual
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
      // fields could alias each other.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
      _newobjects.remove_at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
      // pull out the field info and store it at the end up the list
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
      // of field info list to be reused later.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
      _fields.append(_fields.at(index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
      _fields.remove_at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
  void kill() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
    _newobjects.trunc_to(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
    _objects.trunc_to(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
    _values.kill();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
// Implementation of GraphBuilder's ScopeData
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
GraphBuilder::ScopeData::ScopeData(ScopeData* parent)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
  : _parent(parent)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
  , _bci2block(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
  , _scope(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
  , _has_handler(false)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
  , _stream(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
  , _work_list(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
  , _parsing_jsr(false)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
  , _jsr_xhandlers(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
  , _caller_stack_size(-1)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  , _continuation(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
  , _num_returns(0)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
  , _cleanup_block(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
  , _cleanup_return_prev(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
  , _cleanup_state(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
  if (parent != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
    _max_inline_size = (intx) ((float) NestedInliningSizeRatio * (float) parent->max_inline_size() / 100.0f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
    _max_inline_size = MaxInlineSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
  if (_max_inline_size < MaxTrivialSize) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
    _max_inline_size = MaxTrivialSize;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   691
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
void GraphBuilder::kill_all() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
  if (UseLocalValueNumbering) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
    vmap()->kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
  _memory->kill();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
BlockBegin* GraphBuilder::ScopeData::block_at(int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   702
  if (parsing_jsr()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
    // It is necessary to clone all blocks associated with a
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
    // subroutine, including those for exception handlers in the scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
    // of the method containing the jsr (because those exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
    // handlers may contain ret instructions in some cases).
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
    BlockBegin* block = bci2block()->at(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
    if (block != NULL && block == parent()->bci2block()->at(bci)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
      BlockBegin* new_block = new BlockBegin(block->bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
      if (PrintInitialBlockList) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
        tty->print_cr("CFG: cloned block %d (bci %d) as block %d for jsr",
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
                      block->block_id(), block->bci(), new_block->block_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   714
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
      // copy data from cloned blocked
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
      new_block->set_depth_first_number(block->depth_first_number());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   718
      if (block->is_set(BlockBegin::parser_loop_header_flag)) new_block->set(BlockBegin::parser_loop_header_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   719
      // Preserve certain flags for assertion checking
489c9b5090e2 Initial load
duke
parents:
diff changeset
   720
      if (block->is_set(BlockBegin::subroutine_entry_flag)) new_block->set(BlockBegin::subroutine_entry_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   721
      if (block->is_set(BlockBegin::exception_entry_flag))  new_block->set(BlockBegin::exception_entry_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
      // copy was_visited_flag to allow early detection of bailouts
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
      // if a block that is used in a jsr has already been visited before,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
      // it is shared between the normal control flow and a subroutine
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
      // BlockBegin::try_merge returns false when the flag is set, this leads
489c9b5090e2 Initial load
duke
parents:
diff changeset
   727
      // to a compilation bailout
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
      if (block->is_set(BlockBegin::was_visited_flag))  new_block->set(BlockBegin::was_visited_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   729
489c9b5090e2 Initial load
duke
parents:
diff changeset
   730
      bci2block()->at_put(bci, new_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   731
      block = new_block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   732
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
    return block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
    return bci2block()->at(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
XHandlers* GraphBuilder::ScopeData::xhandlers() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
  if (_jsr_xhandlers == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
    assert(!parsing_jsr(), "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
    return scope()->xhandlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
  assert(parsing_jsr(), "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
  return _jsr_xhandlers;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
void GraphBuilder::ScopeData::set_scope(IRScope* scope) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
  _scope = scope;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
  bool parent_has_handler = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
  if (parent() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
    parent_has_handler = parent()->has_handler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
  _has_handler = parent_has_handler || scope->xhandlers()->has_handlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
489c9b5090e2 Initial load
duke
parents:
diff changeset
   759
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
void GraphBuilder::ScopeData::set_inline_cleanup_info(BlockBegin* block,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
                                                      Instruction* return_prev,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
                                                      ValueStack* return_state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
  _cleanup_block       = block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
  _cleanup_return_prev = return_prev;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
  _cleanup_state       = return_state;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
void GraphBuilder::ScopeData::add_to_work_list(BlockBegin* block) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
  if (_work_list == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
    _work_list = new BlockList();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
  if (!block->is_set(BlockBegin::is_on_work_list_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
    // Do not start parsing the continuation block while in a
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
    // sub-scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
    if (parsing_jsr()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
      if (block == jsr_continuation()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
      if (block == continuation()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
    block->set(BlockBegin::is_on_work_list_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
    _work_list->push(block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
    sort_top_into_worklist(_work_list, block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
void GraphBuilder::sort_top_into_worklist(BlockList* worklist, BlockBegin* top) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
  assert(worklist->top() == top, "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
  // sort block descending into work list
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
  const int dfn = top->depth_first_number();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
  assert(dfn != -1, "unknown depth first number");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
  int i = worklist->length()-2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
  while (i >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
    BlockBegin* b = worklist->at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
    if (b->depth_first_number() < dfn) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
      worklist->at_put(i+1, b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
    i --;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
  if (i >= -1) worklist->at_put(i + 1, top);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
BlockBegin* GraphBuilder::ScopeData::remove_from_work_list() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
  if (is_work_list_empty()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
  return _work_list->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
bool GraphBuilder::ScopeData::is_work_list_empty() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
  return (_work_list == NULL || _work_list->length() == 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
void GraphBuilder::ScopeData::setup_jsr_xhandlers() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
  assert(parsing_jsr(), "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
  // clone all the exception handlers from the scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
  XHandlers* handlers = new XHandlers(scope()->xhandlers());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
  const int n = handlers->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
  for (int i = 0; i < n; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
    // The XHandlers need to be adjusted to dispatch to the cloned
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
    // handler block instead of the default one but the synthetic
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
    // unlocker needs to be handled specially.  The synthetic unlocker
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
    // should be left alone since there can be only one and all code
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
    // should dispatch to the same one.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
    XHandler* h = handlers->handler_at(i);
5334
b2d040a8d375 6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents: 5046
diff changeset
   838
    assert(h->handler_bci() != SynchronizationEntryBCI, "must be real");
b2d040a8d375 6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents: 5046
diff changeset
   839
    h->set_entry_block(block_at(h->handler_bci()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
  _jsr_xhandlers = handlers;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
int GraphBuilder::ScopeData::num_returns() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
  if (parsing_jsr()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
    return parent()->num_returns();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
  return _num_returns;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
void GraphBuilder::ScopeData::incr_num_returns() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
  if (parsing_jsr()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
    parent()->incr_num_returns();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
    ++_num_returns;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
// Implementation of GraphBuilder
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
#define INLINE_BAILOUT(msg)        { inline_bailout(msg); return false; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
void GraphBuilder::load_constant() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
  ciConstant con = stream()->get_constant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
  if (con.basic_type() == T_ILLEGAL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
    BAILOUT("could not resolve a constant");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
    ValueType* t = illegalType;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
    ValueStack* patch_state = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
    switch (con.basic_type()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
      case T_BOOLEAN: t = new IntConstant     (con.as_boolean()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   876
      case T_BYTE   : t = new IntConstant     (con.as_byte   ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
      case T_CHAR   : t = new IntConstant     (con.as_char   ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
      case T_SHORT  : t = new IntConstant     (con.as_short  ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   879
      case T_INT    : t = new IntConstant     (con.as_int    ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
      case T_LONG   : t = new LongConstant    (con.as_long   ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
      case T_FLOAT  : t = new FloatConstant   (con.as_float  ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   882
      case T_DOUBLE : t = new DoubleConstant  (con.as_double ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
      case T_ARRAY  : t = new ArrayConstant   (con.as_object ()->as_array   ()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
      case T_OBJECT :
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
       {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
        ciObject* obj = con.as_object();
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5707
diff changeset
   887
        if (!obj->is_loaded()
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5707
diff changeset
   888
            || (PatchALot && obj->klass() != ciEnv::current()->String_klass())) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   889
          patch_state = copy_state_before();
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5707
diff changeset
   890
          t = new ObjectConstant(obj);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
        } else {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13522
diff changeset
   892
          assert(obj->is_instance(), "must be java_mirror of klass");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
          t = new InstanceConstant(obj->as_instance());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
       }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
      default       : ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
    Value x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
    if (patch_state != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
      x = new Constant(t, patch_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
      x = new Constant(t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
    push(t, append(x));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
void GraphBuilder::load_local(ValueType* type, int index) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   911
  Value x = state()->local_at(index);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   912
  assert(x != NULL && !x->type()->is_illegal(), "access of illegal local variable");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
  push(type, x);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
void GraphBuilder::store_local(ValueType* type, int index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
  Value x = pop(type);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
   919
  store_local(state(), x, index);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
   923
void GraphBuilder::store_local(ValueStack* state, Value x, int index) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
  if (parsing_jsr()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
    // We need to do additional tracking of the location of the return
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
    // address for jsrs since we don't handle arbitrary jsr/ret
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
    // constructs. Here we are figuring out in which circumstances we
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
    // need to bail out.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
    if (x->type()->is_address()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
      scope_data()->set_jsr_return_address_local(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
      // Also check parent jsrs (if any) at this time to see whether
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
      // they are using this local. We don't handle skipping over a
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
      // ret.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
      for (ScopeData* cur_scope_data = scope_data()->parent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
           cur_scope_data != NULL && cur_scope_data->parsing_jsr() && cur_scope_data->scope() == scope();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
           cur_scope_data = cur_scope_data->parent()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
        if (cur_scope_data->jsr_return_address_local() == index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
          BAILOUT("subroutine overwrites return address from previous subroutine");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
    } else if (index == scope_data()->jsr_return_address_local()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
      scope_data()->set_jsr_return_address_local(-1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
  state->store_local(index, round_fp(x));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
void GraphBuilder::load_indexed(BasicType type) {
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   952
  // In case of in block code motion in range check elimination
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   953
  ValueStack* state_before = copy_state_indexed_access();
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   954
  compilation()->set_has_access_indexed(true);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
  Value index = ipop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
  Value array = apop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
  Value length = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  if (CSEArrayLength ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
      (array->as_AccessField() && array->as_AccessField()->field()->is_constant()) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
      (array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant())) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   961
    length = append(new ArrayLength(array, state_before));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
  }
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   963
  push(as_ValueType(type), append(new LoadIndexed(array, index, length, type, state_before)));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
void GraphBuilder::store_indexed(BasicType type) {
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   968
  // In case of in block code motion in range check elimination
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   969
  ValueStack* state_before = copy_state_indexed_access();
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
   970
  compilation()->set_has_access_indexed(true);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  Value value = pop(as_ValueType(type));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
  Value index = ipop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
  Value array = apop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
  Value length = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
  if (CSEArrayLength ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
      (array->as_AccessField() && array->as_AccessField()->field()->is_constant()) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
      (array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant())) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   978
    length = append(new ArrayLength(array, state_before));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
  }
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
   980
  StoreIndexed* result = new StoreIndexed(array, index, length, type, value, state_before);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
  append(result);
1612
2488b45ded37 6756768: C1 generates invalid code
never
parents: 1
diff changeset
   982
  _memory->store_value(value);
6461
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   983
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   984
  if (type == T_OBJECT && is_profiling()) {
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   985
    // Note that we'd collect profile data in this method if we wanted it.
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   986
    compilation()->set_would_profile(true);
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   987
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   988
    if (profile_checkcasts()) {
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   989
      result->set_profiled_method(method());
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   990
      result->set_profiled_bci(bci());
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   991
      result->set_should_profile(true);
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   992
    }
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
   993
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
void GraphBuilder::stack_op(Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
  switch (code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
    case Bytecodes::_pop:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
      { state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
    case Bytecodes::_pop2:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
      { state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
        state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
    case Bytecodes::_dup:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
      { Value w = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
        state()->raw_push(w);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
        state()->raw_push(w);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
    case Bytecodes::_dup_x1:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
    case Bytecodes::_dup_x2:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
        Value w3 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
        state()->raw_push(w3);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
    case Bytecodes::_dup2:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
    case Bytecodes::_dup2_x1:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
        Value w3 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
        state()->raw_push(w3);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
    case Bytecodes::_dup2_x2:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
        Value w3 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
        Value w4 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
        state()->raw_push(w4);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
        state()->raw_push(w3);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
    case Bytecodes::_swap:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
      { Value w1 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
        Value w2 = state()->raw_pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
        state()->raw_push(w1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
        state()->raw_push(w2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
      ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1079
void GraphBuilder::arithmetic_op(ValueType* type, Bytecodes::Code code, ValueStack* state_before) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
  Value y = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
  Value x = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
  // NOTE: strictfp can be queried from current method since we don't
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
  // inline methods with differing strictfp bits
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1084
  Value res = new ArithmeticOp(code, x, y, method()->is_strict(), state_before);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  // Note: currently single-precision floating-point rounding on Intel is handled at the LIRGenerator level
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
  res = append(res);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
  if (method()->is_strict()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
    res = round_fp(res);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
  push(type, res);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
void GraphBuilder::negate_op(ValueType* type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
  push(type, append(new NegateOp(pop(type))));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
void GraphBuilder::shift_op(ValueType* type, Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
  Value s = ipop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
  Value x = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  // try to simplify
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
  // Note: This code should go into the canonicalizer as soon as it can
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
  //       can handle canonicalized forms that contain more than one node.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
  if (CanonicalizeNodes && code == Bytecodes::_iushr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
    // pattern: x >>> s
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
    IntConstant* s1 = s->type()->as_IntConstant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
    if (s1 != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
      // pattern: x >>> s1, with s1 constant
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
      ShiftOp* l = x->as_ShiftOp();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
      if (l != NULL && l->op() == Bytecodes::_ishl) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
        // pattern: (a << b) >>> s1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
        IntConstant* s0 = l->y()->type()->as_IntConstant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
        if (s0 != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
          // pattern: (a << s0) >>> s1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
          const int s0c = s0->value() & 0x1F; // only the low 5 bits are significant for shifts
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
          const int s1c = s1->value() & 0x1F; // only the low 5 bits are significant for shifts
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
          if (s0c == s1c) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
            if (s0c == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
              // pattern: (a << 0) >>> 0 => simplify to: a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
              ipush(l->x());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
            } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
              // pattern: (a << s0c) >>> s0c => simplify to: a & m, with m constant
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
              assert(0 < s0c && s0c < BitsPerInt, "adjust code below to handle corner cases");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
              const int m = (1 << (BitsPerInt - s0c)) - 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
              Value s = append(new Constant(new IntConstant(m)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
              ipush(append(new LogicOp(Bytecodes::_iand, l->x(), s)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
            return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
  // could not simplify
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
  push(type, append(new ShiftOp(code, x, s)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
void GraphBuilder::logic_op(ValueType* type, Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
  Value y = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
  Value x = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
  push(type, append(new LogicOp(code, x, y)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
void GraphBuilder::compare_op(ValueType* type, Bytecodes::Code code) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1148
  ValueStack* state_before = copy_state_before();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
  Value y = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
  Value x = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
  ipush(append(new CompareOp(code, x, y, state_before)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
void GraphBuilder::convert(Bytecodes::Code op, BasicType from, BasicType to) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
  push(as_ValueType(to), append(new Convert(op, pop(as_ValueType(from)), as_ValueType(to))));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
void GraphBuilder::increment() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
  int index = stream()->get_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
  int delta = stream()->is_wide() ? (signed short)Bytes::get_Java_u2(stream()->cur_bcp() + 4) : (signed char)(stream()->cur_bcp()[2]);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
  load_local(intType, index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
  ipush(append(new Constant(new IntConstant(delta))));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
  arithmetic_op(intType, Bytecodes::_iadd);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
  store_local(intType, index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
void GraphBuilder::_goto(int from_bci, int to_bci) {
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1171
  Goto *x = new Goto(block_at(to_bci), to_bci <= from_bci);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1172
  if (is_profiling()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1173
    compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1174
    x->set_profiled_bci(bci());
10730
38dcf027574e 7097679: Tiered: events with bad bci to Gotos reduced from Ifs
iveresov
parents: 10510
diff changeset
  1175
    if (profile_branches()) {
38dcf027574e 7097679: Tiered: events with bad bci to Gotos reduced from Ifs
iveresov
parents: 10510
diff changeset
  1176
      x->set_profiled_method(method());
38dcf027574e 7097679: Tiered: events with bad bci to Gotos reduced from Ifs
iveresov
parents: 10510
diff changeset
  1177
      x->set_should_profile(true);
38dcf027574e 7097679: Tiered: events with bad bci to Gotos reduced from Ifs
iveresov
parents: 10510
diff changeset
  1178
    }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1179
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1180
  append(x);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
void GraphBuilder::if_node(Value x, If::Condition cond, Value y, ValueStack* state_before) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
  BlockBegin* tsux = block_at(stream()->get_dest());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
  BlockBegin* fsux = block_at(stream()->next_bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
  bool is_bb = tsux->bci() < stream()->cur_bci() || fsux->bci() < stream()->cur_bci();
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1188
  // In case of loop invariant code motion or predicate insertion
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1189
  // before the body of a loop the state is needed
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1190
  Instruction *i = append(new If(x, cond, false, y, tsux, fsux, (is_bb || compilation()->is_optimistic()) ? state_before : NULL, is_bb));
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1191
11787
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1192
  assert(i->as_Goto() == NULL ||
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1193
         (i->as_Goto()->sux_at(0) == tsux  && i->as_Goto()->is_safepoint() == tsux->bci() < stream()->cur_bci()) ||
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1194
         (i->as_Goto()->sux_at(0) == fsux  && i->as_Goto()->is_safepoint() == fsux->bci() < stream()->cur_bci()),
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1195
         "safepoint state of Goto returned by canonicalizer incorrect");
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1196
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1197
  if (is_profiling()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1198
    If* if_node = i->as_If();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1199
    if (if_node != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1200
      // Note that we'd collect profile data in this method if we wanted it.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1201
      compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1202
      // At level 2 we need the proper bci to count backedges
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1203
      if_node->set_profiled_bci(bci());
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1204
      if (profile_branches()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1205
        // Successors can be rotated by the canonicalizer, check for this case.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1206
        if_node->set_profiled_method(method());
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1207
        if_node->set_should_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1208
        if (if_node->tsux() == fsux) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1209
          if_node->set_swapped(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1210
        }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1211
      }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1212
      return;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1213
    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1214
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1215
    // Check if this If was reduced to Goto.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1216
    Goto *goto_node = i->as_Goto();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1217
    if (goto_node != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1218
      compilation()->set_would_profile(true);
10730
38dcf027574e 7097679: Tiered: events with bad bci to Gotos reduced from Ifs
iveresov
parents: 10510
diff changeset
  1219
      goto_node->set_profiled_bci(bci());
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1220
      if (profile_branches()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1221
        goto_node->set_profiled_method(method());
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1222
        goto_node->set_should_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1223
        // Find out which successor is used.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1224
        if (goto_node->default_sux() == tsux) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1225
          goto_node->set_direction(Goto::taken);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1226
        } else if (goto_node->default_sux() == fsux) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1227
          goto_node->set_direction(Goto::not_taken);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1228
        } else {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1229
          ShouldNotReachHere();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1230
        }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1231
      }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1232
      return;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  1233
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1237
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1238
void GraphBuilder::if_zero(ValueType* type, If::Condition cond) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1239
  Value y = append(new Constant(intZero));
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1240
  ValueStack* state_before = copy_state_before();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
  Value x = ipop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
  if_node(x, cond, y, state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
void GraphBuilder::if_null(ValueType* type, If::Condition cond) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
  Value y = append(new Constant(objectNull));
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1248
  ValueStack* state_before = copy_state_before();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
  Value x = apop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
  if_node(x, cond, y, state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
void GraphBuilder::if_same(ValueType* type, If::Condition cond) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1255
  ValueStack* state_before = copy_state_before();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
  Value y = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  Value x = pop(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
  if_node(x, cond, y, state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
void GraphBuilder::jsr(int dest) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  // We only handle well-formed jsrs (those which are "block-structured").
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
  // If the bytecodes are strange (jumping out of a jsr block) then we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  // might end up trying to re-parse a block containing a jsr which
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  // has already been activated. Watch for this case and bail out.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  for (ScopeData* cur_scope_data = scope_data();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
       cur_scope_data != NULL && cur_scope_data->parsing_jsr() && cur_scope_data->scope() == scope();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
       cur_scope_data = cur_scope_data->parent()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
    if (cur_scope_data->jsr_entry_bci() == dest) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
      BAILOUT("too-complicated jsr/ret structure");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
  push(addressType, append(new Constant(new AddressConstant(next_bci()))));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
  if (!try_inline_jsr(dest)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
    return; // bailed out while parsing and inlining subroutine
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
void GraphBuilder::ret(int local_index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
  if (!parsing_jsr()) BAILOUT("ret encountered while not parsing subroutine");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
  if (local_index != scope_data()->jsr_return_address_local()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
    BAILOUT("can not handle complicated jsr/ret constructs");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
  // Rets simply become (NON-SAFEPOINT) gotos to the jsr continuation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
  append(new Goto(scope_data()->jsr_continuation(), false));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
void GraphBuilder::table_switch() {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1295
  Bytecode_tableswitch sw(stream());
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1296
  const int l = sw.length();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
  if (CanonicalizeNodes && l == 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
    // total of 2 successors => use If instead of switch
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
    // Note: This code should go into the canonicalizer as soon as it can
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
    //       can handle canonicalized forms that contain more than one node.
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1301
    Value key = append(new Constant(new IntConstant(sw.low_key())));
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1302
    BlockBegin* tsux = block_at(bci() + sw.dest_offset_at(0));
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1303
    BlockBegin* fsux = block_at(bci() + sw.default_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
    bool is_bb = tsux->bci() < bci() || fsux->bci() < bci();
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1305
    // In case of loop invariant code motion or predicate insertion
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1306
    // before the body of a loop the state is needed
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1307
    ValueStack* state_before = copy_state_if_bb(is_bb);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
    append(new If(ipop(), If::eql, true, key, tsux, fsux, state_before, is_bb));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
    // collect successors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
    BlockList* sux = new BlockList(l + 1, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
    int i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
    bool has_bb = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
    for (i = 0; i < l; i++) {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1315
      sux->at_put(i, block_at(bci() + sw.dest_offset_at(i)));
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1316
      if (sw.dest_offset_at(i) < 0) has_bb = true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
    // add default successor
12105
1eba98dc2b50 6910464: Lookupswitch and Tableswitch default branches not recognized as safepoints
roland
parents: 11787
diff changeset
  1319
    if (sw.default_offset() < 0) has_bb = true;
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1320
    sux->at_put(i, block_at(bci() + sw.default_offset()));
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1321
    // In case of loop invariant code motion or predicate insertion
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1322
    // before the body of a loop the state is needed
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1323
    ValueStack* state_before = copy_state_if_bb(has_bb);
11787
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1324
    Instruction* res = append(new TableSwitch(ipop(), sux, sw.low_key(), state_before, has_bb));
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1325
#ifdef ASSERT
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1326
    if (res->as_Goto()) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1327
      for (i = 0; i < l; i++) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1328
        if (sux->at(i) == res->as_Goto()->sux_at(0)) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1329
          assert(res->as_Goto()->is_safepoint() == sw.dest_offset_at(i) < 0, "safepoint state of Goto returned by canonicalizer incorrect");
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1330
        }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1331
      }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1332
    }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1333
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
void GraphBuilder::lookup_switch() {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1339
  Bytecode_lookupswitch sw(stream());
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1340
  const int l = sw.number_of_pairs();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
  if (CanonicalizeNodes && l == 1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
    // total of 2 successors => use If instead of switch
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
    // Note: This code should go into the canonicalizer as soon as it can
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
    //       can handle canonicalized forms that contain more than one node.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
    // simplify to If
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1346
    LookupswitchPair pair = sw.pair_at(0);
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1347
    Value key = append(new Constant(new IntConstant(pair.match())));
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1348
    BlockBegin* tsux = block_at(bci() + pair.offset());
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1349
    BlockBegin* fsux = block_at(bci() + sw.default_offset());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
    bool is_bb = tsux->bci() < bci() || fsux->bci() < bci();
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1351
    // In case of loop invariant code motion or predicate insertion
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1352
    // before the body of a loop the state is needed
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1353
    ValueStack* state_before = copy_state_if_bb(is_bb);;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
    append(new If(ipop(), If::eql, true, key, tsux, fsux, state_before, is_bb));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
    // collect successors & keys
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
    BlockList* sux = new BlockList(l + 1, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
    intArray* keys = new intArray(l, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
    int i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
    bool has_bb = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
    for (i = 0; i < l; i++) {
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1362
      LookupswitchPair pair = sw.pair_at(i);
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1363
      if (pair.offset() < 0) has_bb = true;
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1364
      sux->at_put(i, block_at(bci() + pair.offset()));
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1365
      keys->at_put(i, pair.match());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
    // add default successor
12105
1eba98dc2b50 6910464: Lookupswitch and Tableswitch default branches not recognized as safepoints
roland
parents: 11787
diff changeset
  1368
    if (sw.default_offset() < 0) has_bb = true;
7913
dd096a83bdbb 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 7432
diff changeset
  1369
    sux->at_put(i, block_at(bci() + sw.default_offset()));
16611
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1370
    // In case of loop invariant code motion or predicate insertion
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1371
    // before the body of a loop the state is needed
6807a703dd6b 7153771: array bound check elimination for c1
roland
parents: 15472
diff changeset
  1372
    ValueStack* state_before = copy_state_if_bb(has_bb);
11787
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1373
    Instruction* res = append(new LookupSwitch(ipop(), sux, keys, state_before, has_bb));
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1374
#ifdef ASSERT
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1375
    if (res->as_Goto()) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1376
      for (i = 0; i < l; i++) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1377
        if (sux->at(i) == res->as_Goto()->sux_at(0)) {
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1378
          assert(res->as_Goto()->is_safepoint() == sw.pair_at(i).offset() < 0, "safepoint state of Goto returned by canonicalizer incorrect");
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1379
        }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1380
      }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1381
    }
cfb5950b7706 7126041: jdk7u4 b05 and b06 crash with RubyMine 3.2.4, works well with b04
roland
parents: 11635
diff changeset
  1382
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
void GraphBuilder::call_register_finalizer() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  // If the receiver requires finalization then emit code to perform
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
  // the registration on return.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1389
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
  // Gather some type information about the receiver
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1391
  Value receiver = state()->local_at(0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
  assert(receiver != NULL, "must have a receiver");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
  ciType* declared_type = receiver->declared_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
  ciType* exact_type = receiver->exact_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
  if (exact_type == NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
      receiver->as_Local() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
      receiver->as_Local()->java_index() == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
    ciInstanceKlass* ik = compilation()->method()->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
    if (ik->is_final()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
      exact_type = ik;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
    } else if (UseCHA && !(ik->has_subklass() || ik->is_interface())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
      // test class is leaf class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
      compilation()->dependency_recorder()->assert_leaf_type(ik);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
      exact_type = ik;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
      declared_type = ik;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
  // see if we know statically that registration isn't required
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1411
  bool needs_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
  if (exact_type != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1413
    needs_check = exact_type->as_instance_klass()->has_finalizer();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
  } else if (declared_type != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1415
    ciInstanceKlass* ik = declared_type->as_instance_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1416
    if (!Dependencies::has_finalizable_subclass(ik)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1417
      compilation()->dependency_recorder()->assert_has_no_finalizable_subclasses(ik);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
      needs_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
  if (needs_check) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
    // Perform the registration of finalizable objects.
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1424
    ValueStack* state_before = copy_state_for_exception();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
    load_local(objectType, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
    append_split(new Intrinsic(voidType, vmIntrinsics::_Object_init,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
                               state()->pop_arguments(1),
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1428
                               true, state_before, true));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
void GraphBuilder::method_return(Value x) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
  if (RegisterFinalizersAtInit &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
      method()->intrinsic_id() == vmIntrinsics::_Object_init) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
    call_register_finalizer();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
11886
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1439
  bool need_mem_bar = false;
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1440
  if (method()->name() == ciSymbol::object_initializer_name() &&
23190
e8bbf9cd711e 8031818: Experimental VM flag for enforcing safe object construction
shade
parents: 22893
diff changeset
  1441
      (scope()->wrote_final() || (AlwaysSafeConstructors && scope()->wrote_fields()))) {
11886
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1442
    need_mem_bar = true;
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1443
  }
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1444
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
  // Check to see whether we are inlining. If so, Return
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
  // instructions become Gotos to the continuation point.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
  if (continuation() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
    assert(!method()->is_synchronized() || InlineSynchronizedMethods, "can not inline synchronized methods yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1450
    if (compilation()->env()->dtrace_method_probes()) {
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1451
      // Report exit from inline methods
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1452
      Values* args = new Values(1);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13522
diff changeset
  1453
      args->push(append(new Constant(new MethodConstant(method()))));
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1454
      append(new RuntimeCall(voidType, "dtrace_method_exit", CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), args));
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1455
    }
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  1456
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
    // If the inlined method is synchronized, the monitor must be
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
    // released before we jump to the continuation block.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
    if (method()->is_synchronized()) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1460
      assert(state()->locks_size() == 1, "receiver must be locked here");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1461
      monitorexit(state()->lock_at(0), SynchronizationEntryBCI);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
11886
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1464
    if (need_mem_bar) {
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1465
      append(new MemBar(lir_membar_storestore));
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1466
    }
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1467
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1468
    // State at end of inlined method is the state of the caller
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1469
    // without the method parameters on stack, including the
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1470
    // return value, if any, of the inlined method on operand stack.
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1471
    int invoke_bci = state()->caller_state()->bci();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1472
    set_state(state()->caller_state()->copy_for_parsing());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
    if (x != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
      state()->push(x->type(), x);
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1475
      if (profile_return() && x->type()->is_object_kind()) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1476
        ciMethod* caller = state()->scope()->method();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1477
        ciMethodData* md = caller->method_data_or_null();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1478
        ciProfileData* data = md->bci_to_data(invoke_bci);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1479
        if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1480
          bool has_return = data->is_CallTypeData() ? ((ciCallTypeData*)data)->has_return() : ((ciVirtualCallTypeData*)data)->has_return();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1481
          // May not be true in case of an inlined call through a method handle intrinsic.
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1482
          if (has_return) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1483
            profile_return_type(x, method(), caller, invoke_bci);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1484
          }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1485
        }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1486
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
    Goto* goto_callee = new Goto(continuation(), false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
    // See whether this is the first return; if so, store off some
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
    // of the state for later examination
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
    if (num_returns() == 0) {
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1493
      set_inline_cleanup_info();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
    // The current bci() is in the wrong scope, so use the bci() of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
    // the continuation point.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
    append_with_bci(goto_callee, scope_data()->continuation()->bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
    incr_num_returns();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
  state()->truncate_stack(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
  if (method()->is_synchronized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
    // perform the unlocking before exiting the method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
    Value receiver;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
    if (!method()->is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
      receiver = _initial_state->local_at(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
      receiver = append(new Constant(new ClassConstant(method()->holder())));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
    append_split(new MonitorExit(receiver, state()->unlock()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
11886
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1515
  if (need_mem_bar) {
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1516
      append(new MemBar(lir_membar_storestore));
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1517
  }
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1518
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
  append(new Return(x));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
void GraphBuilder::access_field(Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
  ciField* field = stream()->get_field(will_link);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
  ciInstanceKlass* holder = field->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
  BasicType field_type = field->type()->basic_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
  ValueType* type = as_ValueType(field_type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
  // call will_link again to determine if the field is valid.
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1530
  const bool needs_patching = !holder->is_loaded() ||
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1531
                              !field->will_link(method()->holder(), code) ||
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1532
                              PatchALot;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1534
  ValueStack* state_before = NULL;
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1535
  if (!holder->is_initialized() || needs_patching) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
    // save state before instruction for debug info when
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
    // deoptimization happens during patching
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1538
    state_before = copy_state_before();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
  Value obj = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
  if (code == Bytecodes::_getstatic || code == Bytecodes::_putstatic) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1543
    if (state_before != NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
      // build a patching constant
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8671
diff changeset
  1545
      obj = new Constant(new InstanceConstant(holder->java_mirror()), state_before);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
    } else {
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8671
diff changeset
  1547
      obj = new Constant(new InstanceConstant(holder->java_mirror()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
11886
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1551
  if (field->is_final() && (code == Bytecodes::_putfield)) {
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1552
    scope()->set_wrote_final();
feebf5c9f40c 7120481: storeStore barrier in constructor with final field
jiangli
parents: 11787
diff changeset
  1553
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
23190
e8bbf9cd711e 8031818: Experimental VM flag for enforcing safe object construction
shade
parents: 22893
diff changeset
  1555
  if (code == Bytecodes::_putfield) {
e8bbf9cd711e 8031818: Experimental VM flag for enforcing safe object construction
shade
parents: 22893
diff changeset
  1556
    scope()->set_wrote_fields();
e8bbf9cd711e 8031818: Experimental VM flag for enforcing safe object construction
shade
parents: 22893
diff changeset
  1557
  }
e8bbf9cd711e 8031818: Experimental VM flag for enforcing safe object construction
shade
parents: 22893
diff changeset
  1558
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1559
  const int offset = !needs_patching ? field->offset() : -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
  switch (code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
    case Bytecodes::_getstatic: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
      // check for compile-time constants, i.e., initialized static final fields
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
      Instruction* constant = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
      if (field->is_constant() && !PatchALot) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
        ciConstant field_val = field->constant_value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
        BasicType field_type = field_val.basic_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
        switch (field_type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
        case T_ARRAY:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
        case T_OBJECT:
3908
24b55ad4c228 6863023: need non-perm oops in code cache for JSR 292
jrose
parents: 3261
diff changeset
  1570
          if (field_val.as_object()->should_be_constant()) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1571
            constant = new Constant(as_ValueType(field_val));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
          break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
        default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
          constant = new Constant(as_ValueType(field_val));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
        }
25641
d99065e4572b 8043546: C1 optimizes @Stable instance fields with default values
vlivanov
parents: 25494
diff changeset
  1578
        // Stable static fields are checked for non-default values in ciField::initialize_from().
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
      if (constant != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
        push(type, append(constant));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
      } else {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1583
        if (state_before == NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1584
          state_before = copy_state_for_exception();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1585
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
        push(type, append(new LoadField(append(obj), offset, field, true,
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1587
                                        state_before, needs_patching)));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
    case Bytecodes::_putstatic:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
      { Value val = pop(type);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1593
        if (state_before == NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1594
          state_before = copy_state_for_exception();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1595
        }
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1596
        append(new StoreField(append(obj), offset, field, val, true, state_before, needs_patching));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
      break;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1599
    case Bytecodes::_getfield: {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1600
      // Check for compile-time constants, i.e., trusted final non-static fields.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1601
      Instruction* constant = NULL;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1602
      obj = apop();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1603
      ObjectType* obj_type = obj->type()->as_ObjectType();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1604
      if (obj_type->is_constant() && !PatchALot) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1605
        ciObject* const_oop = obj_type->constant_value();
19715
a3f8b34430ef 8022283: Assertion failed: assert(is_loaded() && field->holder()->is_loaded() && klass()->is_subclass_of (field->holder())) failed: invalid access
rbackman
parents: 19710
diff changeset
  1606
        if (!const_oop->is_null_object() && const_oop->is_loaded()) {
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1607
          if (field->is_constant()) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1608
            ciConstant field_val = field->constant_value_of(const_oop);
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1609
            BasicType field_type = field_val.basic_type();
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1610
            switch (field_type) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1611
            case T_ARRAY:
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1612
            case T_OBJECT:
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1613
              if (field_val.as_object()->should_be_constant()) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1614
                constant = new Constant(as_ValueType(field_val));
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1615
              }
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1616
              break;
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1617
            default:
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1618
              constant = new Constant(as_ValueType(field_val));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1619
            }
25641
d99065e4572b 8043546: C1 optimizes @Stable instance fields with default values
vlivanov
parents: 25494
diff changeset
  1620
            if (FoldStableValues && field->is_stable() && field_val.is_null_or_zero()) {
d99065e4572b 8043546: C1 optimizes @Stable instance fields with default values
vlivanov
parents: 25494
diff changeset
  1621
              // Stable field with default value can't be constant.
d99065e4572b 8043546: C1 optimizes @Stable instance fields with default values
vlivanov
parents: 25494
diff changeset
  1622
              constant = NULL;
d99065e4572b 8043546: C1 optimizes @Stable instance fields with default values
vlivanov
parents: 25494
diff changeset
  1623
            }
13392
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1624
          } else {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1625
            // For CallSite objects treat the target field as a compile time constant.
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1626
            if (const_oop->is_call_site()) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1627
              ciCallSite* call_site = const_oop->as_call_site();
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1628
              if (field->is_call_site_target()) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1629
                ciMethodHandle* target = call_site->get_target();
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1630
                if (target != NULL) {  // just in case
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1631
                  ciConstant field_val(T_OBJECT, target);
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1632
                  constant = new Constant(as_ValueType(field_val));
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1633
                  // Add a dependence for invalidation of the optimization.
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1634
                  if (!call_site->is_constant_call_site()) {
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1635
                    dependency_recorder()->assert_call_site_target_value(call_site, target);
1ef07ae0723d 7187290: nightly failures after JSR 292 lazy method handle update
twisti
parents: 13391
diff changeset
  1636
                  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1637
                }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1638
              }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1639
            }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1640
          }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1641
        }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1642
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1643
      if (constant != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1644
        push(type, append(constant));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1645
      } else {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1646
        if (state_before == NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1647
          state_before = copy_state_for_exception();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1648
        }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1649
        LoadField* load = new LoadField(obj, offset, field, false, state_before, needs_patching);
8671
13ffa40a2f0a 6965570: assert(!needs_patching && x->is_loaded(),"how do we know it's volatile if it's not loaded")
never
parents: 8492
diff changeset
  1650
        Value replacement = !needs_patching ? _memory->load(load) : load;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
        if (replacement != load) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1652
          assert(replacement->is_linked() || !replacement->can_be_linked(), "should already by linked");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
          push(type, replacement);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
          push(type, append(load));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
      break;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1659
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1660
    case Bytecodes::_putfield: {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1661
      Value val = pop(type);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1662
      obj = apop();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1663
      if (state_before == NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1664
        state_before = copy_state_for_exception();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1665
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1666
      StoreField* store = new StoreField(obj, offset, field, val, false, state_before, needs_patching);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1667
      if (!needs_patching) store = _memory->store(store);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1668
      if (store != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1669
        append(store);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1670
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1671
      break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1672
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1673
    default:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
      ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
Dependencies* GraphBuilder::dependency_recorder() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
  assert(DeoptC1, "need debug information");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
  return compilation()->dependency_recorder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1685
// How many arguments do we want to profile?
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1686
Values* GraphBuilder::args_list_for_profiling(ciMethod* target, int& start, bool may_have_receiver) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1687
  int n = 0;
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1688
  bool has_receiver = may_have_receiver && Bytecodes::has_receiver(method()->java_code_at_bci(bci()));
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1689
  start = has_receiver ? 1 : 0;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1690
  if (profile_arguments()) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1691
    ciProfileData* data = method()->method_data()->bci_to_data(bci());
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1692
    if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1693
      n = data->is_CallTypeData() ? data->as_CallTypeData()->number_of_arguments() : data->as_VirtualCallTypeData()->number_of_arguments();
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1694
    }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1695
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1696
  // If we are inlining then we need to collect arguments to profile parameters for the target
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1697
  if (profile_parameters() && target != NULL) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1698
    if (target->method_data() != NULL && target->method_data()->parameters_type_data() != NULL) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1699
      // The receiver is profiled on method entry so it's included in
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1700
      // the number of parameters but here we're only interested in
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1701
      // actual arguments.
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1702
      n = MAX2(n, target->method_data()->parameters_type_data()->number_of_parameters() - start);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1703
    }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1704
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1705
  if (n > 0) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1706
    return new Values(n);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1707
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1708
  return NULL;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1709
}
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1710
24313
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1711
void GraphBuilder::check_args_for_profiling(Values* obj_args, int expected) {
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1712
#ifdef ASSERT
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1713
  bool ignored_will_link;
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1714
  ciSignature* declared_signature = NULL;
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1715
  ciMethod* real_target = method()->get_method_at_bci(bci(), ignored_will_link, &declared_signature);
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1716
  assert(expected == obj_args->length() || real_target->is_method_handle_intrinsic(), "missed on arg?");
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1717
#endif
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1718
}
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1719
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1720
// Collect arguments that we want to profile in a list
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1721
Values* GraphBuilder::collect_args_for_profiling(Values* args, ciMethod* target, bool may_have_receiver) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1722
  int start = 0;
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1723
  Values* obj_args = args_list_for_profiling(target, start, may_have_receiver);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1724
  if (obj_args == NULL) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1725
    return NULL;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1726
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1727
  int s = obj_args->size();
24313
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1728
  // if called through method handle invoke, some arguments may have been popped
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1729
  for (int i = start, j = 0; j < s && i < args->length(); i++) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1730
    if (args->at(i)->type()->is_object_kind()) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1731
      obj_args->push(args->at(i));
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1732
      j++;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1733
    }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1734
  }
24313
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  1735
  check_args_for_profiling(obj_args, s);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1736
  return obj_args;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1737
}
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  1738
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
void GraphBuilder::invoke(Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
  bool will_link;
13522
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  1742
  ciSignature* declared_signature = NULL;
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  1743
  ciMethod*             target = stream()->get_method(will_link, &declared_signature);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1744
  ciKlass*              holder = stream()->get_declared_method_holder();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1745
  const Bytecodes::Code bc_raw = stream()->cur_bc_raw();
13522
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  1746
  assert(declared_signature != NULL, "cannot be null");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1747
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1748
  if (!C1PatchInvokeDynamic && Bytecodes::has_optional_appendix(bc_raw) && !will_link) {
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1749
    BAILOUT("unlinked call site (C1PatchInvokeDynamic is off)");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1750
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1751
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
  // we have to make sure the argument size (incl. the receiver)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
  // is correct for compilation (the call would fail later during
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
  // linkage anyway) - was bug (gri 7/28/99)
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1755
  {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1756
    // Use raw to get rewritten bytecode.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1757
    const bool is_invokestatic = bc_raw == Bytecodes::_invokestatic;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1758
    const bool allow_static =
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1759
          is_invokestatic ||
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1760
          bc_raw == Bytecodes::_invokehandle ||
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1761
          bc_raw == Bytecodes::_invokedynamic;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1762
    if (target->is_loaded()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1763
      if (( target->is_static() && !allow_static) ||
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1764
          (!target->is_static() &&  is_invokestatic)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1765
        BAILOUT("will cause link error");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1766
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1767
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1768
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
  ciInstanceKlass* klass = target->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
  // check if CHA possible: if so, change the code to invoke_special
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
  ciInstanceKlass* calling_klass = method()->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
  ciInstanceKlass* callee_holder = ciEnv::get_instance_klass_for_declared_method_holder(holder);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
  ciInstanceKlass* actual_recv = callee_holder;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1776
  CompileLog* log = compilation()->log();
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1777
  if (log != NULL)
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1778
      log->elem("call method='%d' instr='%s'",
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1779
                log->identify(target),
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1780
                Bytecodes::name(code));
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1781
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1782
  // Some methods are obviously bindable without any type checks so
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1783
  // convert them directly to an invokespecial or invokestatic.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1784
  if (target->is_loaded() && !target->is_abstract() && target->can_be_statically_bound()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1785
    switch (bc_raw) {
13487
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1786
    case Bytecodes::_invokevirtual:
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1787
      code = Bytecodes::_invokespecial;
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1788
      break;
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1789
    case Bytecodes::_invokehandle:
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1790
      code = target->is_static() ? Bytecodes::_invokestatic : Bytecodes::_invokespecial;
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1791
      break;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1792
    }
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1793
  } else {
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1794
    if (bc_raw == Bytecodes::_invokehandle) {
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1795
      assert(!will_link, "should come here only for unlinked call");
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1796
      code = Bytecodes::_invokespecial;
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1797
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1800
  // Push appendix argument (MethodType, CallSite, etc.), if one.
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1801
  bool patch_for_appendix = false;
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1802
  int patching_appendix_arg = 0;
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1803
  if (C1PatchInvokeDynamic &&
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1804
      (Bytecodes::has_optional_appendix(bc_raw) && (!will_link || PatchALot))) {
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1805
    Value arg = append(new Constant(new ObjectConstant(compilation()->env()->unloaded_ciinstance()), copy_state_before()));
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1806
    apush(arg);
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1807
    patch_for_appendix = true;
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1808
    patching_appendix_arg = (will_link && stream()->has_appendix()) ? 0 : 1;
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1809
  } else if (stream()->has_appendix()) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1810
    ciObject* appendix = stream()->get_appendix();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1811
    Value arg = append(new Constant(new ObjectConstant(appendix)));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1812
    apush(arg);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1813
  }
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1814
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
  // NEEDS_CLEANUP
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1816
  // I've added the target->is_loaded() test below but I don't really understand
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
  // how klass->is_loaded() can be true and yet target->is_loaded() is false.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
  // this happened while running the JCK invokevirtual tests under doit.  TKR
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
  ciMethod* cha_monomorphic_target = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
  ciMethod* exact_target = NULL;
11635
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1821
  Value better_receiver = NULL;
5046
27e801a857cb 6919934: JSR 292 needs to support x86 C1
twisti
parents: 4430
diff changeset
  1822
  if (UseCHA && DeoptC1 && klass->is_loaded() && target->is_loaded() &&
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1823
      !(// %%% FIXME: Are both of these relevant?
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1824
        target->is_method_handle_intrinsic() ||
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1825
        target->is_compiled_lambda_form()) &&
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1826
      !patch_for_appendix) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
    Value receiver = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
    ciInstanceKlass* receiver_klass = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
    bool type_is_exact = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
    // try to find a precise receiver type
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
    if (will_link && !target->is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
      int index = state()->stack_size() - (target->arg_size_no_receiver() + 1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
      receiver = state()->stack_at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
      ciType* type = receiver->exact_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
      if (type != NULL && type->is_loaded() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1836
          type->is_instance_klass() && !type->as_instance_klass()->is_interface()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
        receiver_klass = (ciInstanceKlass*) type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
        type_is_exact = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
      if (type == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
        type = receiver->declared_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
        if (type != NULL && type->is_loaded() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
            type->is_instance_klass() && !type->as_instance_klass()->is_interface()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
          receiver_klass = (ciInstanceKlass*) type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
          if (receiver_klass->is_leaf_type() && !receiver_klass->is_final()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
            // Insert a dependency on this type since
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
            // find_monomorphic_target may assume it's already done.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
            dependency_recorder()->assert_leaf_type(receiver_klass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1849
            type_is_exact = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1852
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1854
    if (receiver_klass != NULL && type_is_exact &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
        receiver_klass->is_loaded() && code != Bytecodes::_invokespecial) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
      // If we have the exact receiver type we can bind directly to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
      // the method to call.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
      exact_target = target->resolve_invoke(calling_klass, receiver_klass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
      if (exact_target != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
        target = exact_target;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
        code = Bytecodes::_invokespecial;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
    if (receiver_klass != NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
        receiver_klass->is_subtype_of(actual_recv) &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
        actual_recv->is_initialized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1867
      actual_recv = receiver_klass;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
    if ((code == Bytecodes::_invokevirtual && callee_holder->is_initialized()) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
        (code == Bytecodes::_invokeinterface && callee_holder->is_initialized() && !actual_recv->is_interface())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
      // Use CHA on the receiver to select a more precise method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
      cha_monomorphic_target = target->find_monomorphic_target(calling_klass, callee_holder, actual_recv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
    } else if (code == Bytecodes::_invokeinterface && callee_holder->is_loaded() && receiver != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
      // if there is only one implementor of this interface then we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
      // may be able bind this invoke directly to the implementing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
      // klass but we need both a dependence on the single interface
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
      // and on the method we bind to.  Additionally since all we know
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
      // about the receiver type is the it's supposed to implement the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
      // interface we have to insert a check that it's the class we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
      // expect.  Interface types are not checked by the verifier so
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
      // they are roughly equivalent to Object.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
      ciInstanceKlass* singleton = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
      if (target->holder()->nof_implementors() == 1) {
12369
48fd3da4025c 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 12106
diff changeset
  1885
        singleton = target->holder()->implementor();
48fd3da4025c 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 12106
diff changeset
  1886
        assert(singleton != NULL && singleton != target->holder(),
48fd3da4025c 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
jiangli
parents: 12106
diff changeset
  1887
               "just checking");
11635
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1888
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1889
        assert(holder->is_interface(), "invokeinterface to non interface?");
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1890
        ciInstanceKlass* decl_interface = (ciInstanceKlass*)holder;
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1891
        // the number of implementors for decl_interface is less or
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1892
        // equal to the number of implementors for target->holder() so
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1893
        // if number of implementors of target->holder() == 1 then
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1894
        // number of implementors for decl_interface is 0 or 1. If
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1895
        // it's 0 then no class implements decl_interface and there's
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1896
        // no point in inlining.
21209
5eecc37ceb93 8026735: Stream tests throw java.lang.IncompatibleClassChangeError
iveresov
parents: 21108
diff changeset
  1897
        if (!holder->is_loaded() || decl_interface->nof_implementors() != 1 || decl_interface->has_default_methods()) {
11635
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1898
          singleton = NULL;
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1899
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
      if (singleton) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
        cha_monomorphic_target = target->find_monomorphic_target(calling_klass, target->holder(), singleton);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1903
        if (cha_monomorphic_target != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
          // If CHA is able to bind this invoke then update the class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
          // to match that class, otherwise klass will refer to the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
          // interface.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
          klass = cha_monomorphic_target->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
          actual_recv = target->holder();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
          // insert a check it's really the expected class.
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  1911
          CheckCast* c = new CheckCast(klass, receiver, copy_state_for_exception());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
          c->set_incompatible_class_change_check();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
          c->set_direct_compare(klass->is_final());
11635
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1914
          // pass the result of the checkcast so that the compiler has
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1915
          // more accurate type info in the inlinee
5a16856f871f 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code
roland
parents: 11634
diff changeset
  1916
          better_receiver = append_split(c);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
  if (cha_monomorphic_target != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
    if (cha_monomorphic_target->is_abstract()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
      // Do not optimize for abstract methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
      cha_monomorphic_target = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1929
  if (cha_monomorphic_target != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
    if (!(target->is_final_method())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1931
      // If we inlined because CHA revealed only a single target method,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1932
      // then we are dependent on that target method not getting overridden
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1933
      // by dynamic class loading.  Be sure to test the "static" receiver
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
      // dest_method here, as opposed to the actual receiver, which may
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1935
      // falsely lead us to believe that the receiver is final or private.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
      dependency_recorder()->assert_unique_concrete_method(actual_recv, cha_monomorphic_target);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
    code = Bytecodes::_invokespecial;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
  }
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  1940
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1941
  // check if we could do inlining
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
  if (!PatchALot && Inline && klass->is_loaded() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1943
      (klass->is_initialized() || klass->is_interface() && target->holder()->is_initialized())
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1944
      && target->is_loaded()
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1945
      && !patch_for_appendix) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
    // callee is known => check if we have static binding
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
    assert(target->is_loaded(), "callee must be known");
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1948
    if (code == Bytecodes::_invokestatic  ||
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1949
        code == Bytecodes::_invokespecial ||
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1950
        code == Bytecodes::_invokevirtual && target->is_final_method() ||
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1951
        code == Bytecodes::_invokedynamic) {
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1952
      ciMethod* inline_target = (cha_monomorphic_target != NULL) ? cha_monomorphic_target : target;
14130
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  1953
      // static binding => check if callee is ok
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  1954
      bool success = try_inline(inline_target, (cha_monomorphic_target != NULL) || (exact_target != NULL), code, better_receiver);
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  1955
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1956
      CHECK_BAILOUT();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1957
      clear_inline_bailout();
14130
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  1958
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  1959
      if (success) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
        // Register dependence if JVMTI has either breakpoint
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
        // setting or hotswapping of methods capabilities since they may
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
        // cause deoptimization.
2867
69187054225f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents: 2570
diff changeset
  1963
        if (compilation()->env()->jvmti_can_hotswap_or_post_breakpoint()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
          dependency_recorder()->assert_evol_method(inline_target);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1965
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1967
      }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1968
    } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1969
      print_inlining(target, "no static binding", /*success*/ false);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1970
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1971
  } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1972
    print_inlining(target, "not inlineable", /*success*/ false);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  1974
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
  // If we attempted an inline which did not succeed because of a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
  // bailout during construction of the callee graph, the entire
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1977
  // compilation has to be aborted. This is fairly rare and currently
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1978
  // seems to only occur for jasm-generated classes which contain
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1979
  // jsr/ret pairs which are not associated with finally clauses and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1980
  // do not have exception handlers in the containing method, and are
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1981
  // therefore not caught early enough to abort the inlining without
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1982
  // corrupting the graph. (We currently bail out with a non-empty
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1983
  // stack at a ret in these situations.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1984
  CHECK_BAILOUT();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1986
  // inlining not successful => standard invoke
5046
27e801a857cb 6919934: JSR 292 needs to support x86 C1
twisti
parents: 4430
diff changeset
  1987
  bool is_loaded = target->is_loaded();
13522
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  1988
  ValueType* result_type = as_ValueType(declared_signature->return_type());
13487
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1989
  ValueStack* state_before = copy_state_exhandling();
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1990
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1991
  // The bytecode (code) might change in this method so we are checking this very late.
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1992
  const bool has_receiver =
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1993
    code == Bytecodes::_invokespecial   ||
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1994
    code == Bytecodes::_invokevirtual   ||
75aa4880b15f 7192167: JSR 292: C1 has old broken code which needs to be removed
twisti
parents: 13486
diff changeset
  1995
    code == Bytecodes::_invokeinterface;
19710
2f8ca425504e 7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents: 18507
diff changeset
  1996
  Values* args = state()->pop_arguments(target->arg_size_no_receiver() + patching_appendix_arg);
5046
27e801a857cb 6919934: JSR 292 needs to support x86 C1
twisti
parents: 4430
diff changeset
  1997
  Value recv = has_receiver ? apop() : NULL;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13522
diff changeset
  1998
  int vtable_index = Method::invalid_vtable_index;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
#ifdef SPARC
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
  // Currently only supported on Sparc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
  // The UseInlineCaches only controls dispatch to invokevirtuals for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
  // loaded classes which we weren't able to statically bind.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
  if (!UseInlineCaches && is_loaded && code == Bytecodes::_invokevirtual
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
      && !target->can_be_statically_bound()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
    // Find a vtable index if one is available
25494
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2007
    // For arrays, callee_holder is Object. Resolving the call with
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2008
    // Object would allow an illegal call to finalize() on an
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2009
    // array. We use holder instead: illegal calls to finalize() won't
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2010
    // be compiled as vtable calls (IC call resolution will catch the
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2011
    // illegal call) and the few legal calls on array types won't be
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2012
    // either.
c18718ecf276 8046542: [I.finalize() calls from methods compiled by C1 do not cause IllegalAccessError on Sparc
roland
parents: 24933
diff changeset
  2013
    vtable_index = target->resolve_vtable_index(calling_klass, holder);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
  if (recv != NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
      (code == Bytecodes::_invokespecial ||
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2019
       !is_loaded || target->is_final())) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2020
    // invokespecial always needs a NULL check.  invokevirtual where
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
    // the target is final or where it's not known that whether the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
    // target is final requires a NULL check.  Otherwise normal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
    // invokevirtual will perform the null check during the lookup
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
    // logic or the unverified entry point.  Profiling of calls
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
    // requires that the null check is performed in all cases.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2026
    null_check(recv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2027
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2028
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2029
  if (is_profiling()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2030
    if (recv != NULL && profile_calls()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2031
      null_check(recv);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
    }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2033
    // Note that we'd collect profile data in this method if we wanted it.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2034
    compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2035
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2036
    if (profile_calls()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2037
      assert(cha_monomorphic_target == NULL || exact_target == NULL, "both can not be set");
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2038
      ciKlass* target_klass = NULL;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2039
      if (cha_monomorphic_target != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2040
        target_klass = cha_monomorphic_target->holder();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2041
      } else if (exact_target != NULL) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2042
        target_klass = exact_target->holder();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2043
      }
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2044
      profile_call(target, recv, target_klass, collect_args_for_profiling(args, NULL, false), false);
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2045
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2046
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2047
5046
27e801a857cb 6919934: JSR 292 needs to support x86 C1
twisti
parents: 4430
diff changeset
  2048
  Invoke* result = new Invoke(code, result_type, recv, args, vtable_index, target, state_before);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2049
  // push result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2050
  append_split(result);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2052
  if (result_type != voidType) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
    if (method()->is_strict()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
      push(result_type, round_fp(result));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2055
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
      push(result_type, result);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
  }
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2059
  if (profile_return() && result_type->is_object_kind()) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2060
    profile_return_type(result, target);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2061
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
void GraphBuilder::new_instance(int klass_index) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2066
  ValueStack* state_before = copy_state_exhandling();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
  ciKlass* klass = stream()->get_klass(will_link);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
  assert(klass->is_instance_klass(), "must be an instance klass");
24933
c16c7a4ac386 8031994: java/lang/Character/CheckProp test times out
rbackman
parents: 24313
diff changeset
  2070
  NewInstance* new_instance = new NewInstance(klass->as_instance_klass(), state_before, stream()->is_unresolved_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
  _memory->new_instance(new_instance);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
  apush(append_split(new_instance));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
void GraphBuilder::new_type_array() {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2077
  ValueStack* state_before = copy_state_exhandling();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2078
  apush(append_split(new NewTypeArray(ipop(), (BasicType)stream()->get_index(), state_before)));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2080
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2081
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
void GraphBuilder::new_object_array() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2083
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2084
  ciKlass* klass = stream()->get_klass(will_link);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2085
  ValueStack* state_before = !klass->is_loaded() || PatchALot ? copy_state_before() : copy_state_exhandling();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2086
  NewArray* n = new NewObjectArray(klass, ipop(), state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2087
  apush(append_split(n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2089
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2090
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2091
bool GraphBuilder::direct_compare(ciKlass* k) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2092
  if (k->is_loaded() && k->is_instance_klass() && !UseSlowPath) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2093
    ciInstanceKlass* ik = k->as_instance_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2094
    if (ik->is_final()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2095
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2096
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
      if (DeoptC1 && UseCHA && !(ik->has_subklass() || ik->is_interface())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
        // test class is leaf class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
        dependency_recorder()->assert_leaf_type(ik);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2100
        return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2101
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2102
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2104
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2106
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2107
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2108
void GraphBuilder::check_cast(int klass_index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2109
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
  ciKlass* klass = stream()->get_klass(will_link);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2111
  ValueStack* state_before = !klass->is_loaded() || PatchALot ? copy_state_before() : copy_state_for_exception();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
  CheckCast* c = new CheckCast(klass, apop(), state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2113
  apush(append_split(c));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
  c->set_direct_compare(direct_compare(klass));
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2115
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2116
  if (is_profiling()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2117
    // Note that we'd collect profile data in this method if we wanted it.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2118
    compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2119
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2120
    if (profile_checkcasts()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2121
      c->set_profiled_method(method());
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2122
      c->set_profiled_bci(bci());
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2123
      c->set_should_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2124
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
void GraphBuilder::instance_of(int klass_index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2130
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
  ciKlass* klass = stream()->get_klass(will_link);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2132
  ValueStack* state_before = !klass->is_loaded() || PatchALot ? copy_state_before() : copy_state_exhandling();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2133
  InstanceOf* i = new InstanceOf(klass, apop(), state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
  ipush(append_split(i));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
  i->set_direct_compare(direct_compare(klass));
6461
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2136
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2137
  if (is_profiling()) {
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2138
    // Note that we'd collect profile data in this method if we wanted it.
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2139
    compilation()->set_would_profile(true);
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2140
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2141
    if (profile_checkcasts()) {
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2142
      i->set_profiled_method(method());
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2143
      i->set_profiled_bci(bci());
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2144
      i->set_should_profile(true);
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2145
    }
cfc616b49f58 6919069: client compiler needs to capture more profile information for tiered work
iveresov
parents: 6453
diff changeset
  2146
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
void GraphBuilder::monitorenter(Value x, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
  // save state before locking in case of deoptimization after a NullPointerException
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2152
  ValueStack* state_before = copy_state_for_exception_with_bci(bci);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2153
  append_with_bci(new MonitorEnter(x, state()->lock(x), state_before), bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
  kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2158
void GraphBuilder::monitorexit(Value x, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
  append_with_bci(new MonitorExit(x, state()->unlock()), bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2160
  kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2161
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2162
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2163
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2164
void GraphBuilder::new_multi_array(int dimensions) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2165
  bool will_link;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2166
  ciKlass* klass = stream()->get_klass(will_link);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2167
  ValueStack* state_before = !klass->is_loaded() || PatchALot ? copy_state_before() : copy_state_exhandling();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
  Values* dims = new Values(dimensions, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2170
  // fill in all dimensions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2171
  int i = dimensions;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
  while (i-- > 0) dims->at_put(i, ipop());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
  // create array
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
  NewArray* n = new NewMultiArray(klass, dims, state_before);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2175
  apush(append_split(n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2177
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2179
void GraphBuilder::throw_op(int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2180
  // We require that the debug info for a Throw be the "state before"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2181
  // the Throw (i.e., exception oop is still on TOS)
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2182
  ValueStack* state_before = copy_state_before_with_bci(bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2183
  Throw* t = new Throw(apop(), state_before);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2184
  // operand stack not needed after a throw
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2185
  state()->truncate_stack(0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2186
  append_with_bci(t, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2187
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2188
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2189
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
Value GraphBuilder::round_fp(Value fp_value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2191
  // no rounding needed if SSE2 is used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2192
  if (RoundFPResults && UseSSE < 2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2193
    // Must currently insert rounding node for doubleword values that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2194
    // are results of expressions (i.e., not loads from memory or
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2195
    // constants)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2196
    if (fp_value->type()->tag() == doubleTag &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2197
        fp_value->as_Constant() == NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
        fp_value->as_Local() == NULL &&       // method parameters need no rounding
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
        fp_value->as_RoundFP() == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
      return append(new RoundFP(fp_value));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2203
  return fp_value;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2204
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2205
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
Instruction* GraphBuilder::append_with_bci(Instruction* instr, int bci) {
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2208
  Canonicalizer canon(compilation(), instr, bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2209
  Instruction* i1 = canon.canonical();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2210
  if (i1->is_linked() || !i1->can_be_linked()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2211
    // Canonicalizer returned an instruction which was already
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2212
    // appended so simply return it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
    return i1;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2214
  }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2215
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2216
  if (UseLocalValueNumbering) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2217
    // Lookup the instruction in the ValueMap and add it to the map if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2218
    // it's not found.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2219
    Instruction* i2 = vmap()->find_insert(i1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2220
    if (i2 != i1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2221
      // found an entry in the value map, so just return it.
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2222
      assert(i2->is_linked(), "should already be linked");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2223
      return i2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2224
    }
1612
2488b45ded37 6756768: C1 generates invalid code
never
parents: 1
diff changeset
  2225
    ValueNumberingEffects vne(vmap());
2488b45ded37 6756768: C1 generates invalid code
never
parents: 1
diff changeset
  2226
    i1->visit(&vne);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2227
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2228
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2229
  // i1 was not eliminated => append it
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2230
  assert(i1->next() == NULL, "shouldn't already be linked");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2231
  _last = _last->set_next(i1, canon.bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2232
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2233
  if (++_instruction_count >= InstructionCountCutoff && !bailed_out()) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2234
    // set the bailout state but complete normal processing.  We
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2235
    // might do a little more work before noticing the bailout so we
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2236
    // want processing to continue normally until it's noticed.
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2237
    bailout("Method and/or inlining is too large");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2238
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2239
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2240
#ifndef PRODUCT
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2241
  if (PrintIRDuringConstruction) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2242
    InstructionPrinter ip;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2243
    ip.print_line(i1);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2244
    if (Verbose) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2245
      state()->print();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2246
    }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2247
  }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2248
#endif
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2249
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2250
  // save state after modification of operand stack for StateSplit instructions
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2251
  StateSplit* s = i1->as_StateSplit();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2252
  if (s != NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2253
    if (EliminateFieldAccess) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2254
      Intrinsic* intrinsic = s->as_Intrinsic();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2255
      if (s->as_Invoke() != NULL || (intrinsic && !intrinsic->preserves_state())) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2256
        _memory->kill();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2257
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2258
    }
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2259
    s->set_state(state()->copy(ValueStack::StateAfter, canon.bci()));
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2260
  }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2261
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2262
  // set up exception handlers for this instruction if necessary
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2263
  if (i1->can_trap()) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2264
    i1->set_exception_handlers(handle_exception(i1));
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2265
    assert(i1->exception_state() != NULL || !i1->needs_exception_state() || bailed_out(), "handle_exception must set exception state");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2266
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2267
  return i1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2268
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2269
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2270
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2271
Instruction* GraphBuilder::append(Instruction* instr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2272
  assert(instr->as_StateSplit() == NULL || instr->as_BlockEnd() != NULL, "wrong append used");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2273
  return append_with_bci(instr, bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2274
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2275
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2276
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2277
Instruction* GraphBuilder::append_split(StateSplit* instr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2278
  return append_with_bci(instr, bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2279
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2280
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2281
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2282
void GraphBuilder::null_check(Value value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2283
  if (value->as_NewArray() != NULL || value->as_NewInstance() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2284
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2285
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2286
    Constant* con = value->as_Constant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2287
    if (con) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2288
      ObjectType* c = con->type()->as_ObjectType();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2289
      if (c && c->is_loaded()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2290
        ObjectConstant* oc = c->as_ObjectConstant();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2291
        if (!oc || !oc->value()->is_null_object()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2292
          return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2293
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2294
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2295
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2296
  }
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2297
  append(new NullCheck(value, copy_state_for_exception()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2298
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2300
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2301
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2302
XHandlers* GraphBuilder::handle_exception(Instruction* instruction) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2303
  if (!has_handler() && (!instruction->needs_exception_state() || instruction->exception_state() != NULL)) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2304
    assert(instruction->exception_state() == NULL
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2305
           || instruction->exception_state()->kind() == ValueStack::EmptyExceptionState
22893
e3a2b513713a 8035493: JVMTI PopFrame capability must instruct compilers not to prune locals
mgronlun
parents: 22238
diff changeset
  2306
           || (instruction->exception_state()->kind() == ValueStack::ExceptionState && _compilation->env()->should_retain_local_variables()),
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2307
           "exception_state should be of exception kind");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
    return new XHandlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2309
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2310
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2311
  XHandlers*  exception_handlers = new XHandlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2312
  ScopeData*  cur_scope_data = scope_data();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2313
  ValueStack* cur_state = instruction->state_before();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2314
  ValueStack* prev_state = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2315
  int scope_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2316
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2317
  assert(cur_state != NULL, "state_before must be set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2318
  do {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2319
    int cur_bci = cur_state->bci();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2320
    assert(cur_scope_data->scope() == cur_state->scope(), "scopes do not match");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2321
    assert(cur_bci == SynchronizationEntryBCI || cur_bci == cur_scope_data->stream()->cur_bci(), "invalid bci");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2322
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2323
    // join with all potential exception handlers
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2324
    XHandlers* list = cur_scope_data->xhandlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2325
    const int n = list->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2326
    for (int i = 0; i < n; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2327
      XHandler* h = list->handler_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2328
      if (h->covers(cur_bci)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2329
        // h is a potential exception handler => join it
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2330
        compilation()->set_has_exception_handlers(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2331
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2332
        BlockBegin* entry = h->entry_block();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2333
        if (entry == block()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2334
          // It's acceptable for an exception handler to cover itself
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2335
          // but we don't handle that in the parser currently.  It's
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2336
          // very rare so we bailout instead of trying to handle it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
          BAILOUT_("exception handler covers itself", exception_handlers);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
        assert(entry->bci() == h->handler_bci(), "must match");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
        assert(entry->bci() == -1 || entry == cur_scope_data->block_at(entry->bci()), "blocks must correspond");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
        // previously this was a BAILOUT, but this is not necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2343
        // now because asynchronous exceptions are not handled this way.
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2344
        assert(entry->state() == NULL || cur_state->total_locks_size() == entry->state()->total_locks_size(), "locks do not match");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2346
        // xhandler start with an empty expression stack
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2347
        if (cur_state->stack_size() != 0) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2348
          cur_state = cur_state->copy(ValueStack::ExceptionState, cur_state->bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2349
        }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2350
        if (instruction->exception_state() == NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2351
          instruction->set_exception_state(cur_state);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2352
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2354
        // Note: Usually this join must work. However, very
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2355
        // complicated jsr-ret structures where we don't ret from
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2356
        // the subroutine can cause the objects on the monitor
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2357
        // stacks to not match because blocks can be parsed twice.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2358
        // The only test case we've seen so far which exhibits this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2359
        // problem is caught by the infinite recursion test in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2360
        // GraphBuilder::jsr() if the join doesn't work.
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2361
        if (!entry->try_merge(cur_state)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2362
          BAILOUT_("error while joining with exception handler, prob. due to complicated jsr/rets", exception_handlers);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2363
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2364
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2365
        // add current state for correct handling of phi functions at begin of xhandler
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2366
        int phi_operand = entry->add_exception_state(cur_state);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2367
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2368
        // add entry to the list of xhandlers of this block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2369
        _block->add_exception_handler(entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2370
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2371
        // add back-edge from xhandler entry to this block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2372
        if (!entry->is_predecessor(_block)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2373
          entry->add_predecessor(_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
        // clone XHandler because phi_operand and scope_count can not be shared
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2377
        XHandler* new_xhandler = new XHandler(h);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2378
        new_xhandler->set_phi_operand(phi_operand);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2379
        new_xhandler->set_scope_count(scope_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
        exception_handlers->append(new_xhandler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2381
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
        // fill in exception handler subgraph lazily
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
        assert(!entry->is_set(BlockBegin::was_visited_flag), "entry must not be visited yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
        cur_scope_data->add_to_work_list(entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
        // stop when reaching catchall
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2387
        if (h->catch_type() == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
          return exception_handlers;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2389
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2390
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2391
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2392
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2393
    if (exception_handlers->length() == 0) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2394
      // This scope and all callees do not handle exceptions, so the local
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2395
      // variables of this scope are not needed. However, the scope itself is
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2396
      // required for a correct exception stack trace -> clear out the locals.
22893
e3a2b513713a 8035493: JVMTI PopFrame capability must instruct compilers not to prune locals
mgronlun
parents: 22238
diff changeset
  2397
      if (_compilation->env()->should_retain_local_variables()) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2398
        cur_state = cur_state->copy(ValueStack::ExceptionState, cur_state->bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2399
      } else {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2400
        cur_state = cur_state->copy(ValueStack::EmptyExceptionState, cur_state->bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2401
      }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2402
      if (prev_state != NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2403
        prev_state->set_caller_state(cur_state);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2404
      }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2405
      if (instruction->exception_state() == NULL) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2406
        instruction->set_exception_state(cur_state);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2407
      }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2408
    }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2409
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2410
    // Set up iteration for next time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2411
    // If parsing a jsr, do not grab exception handlers from the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2412
    // parent scopes for this method (already got them, and they
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2413
    // needed to be cloned)
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2414
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2415
    while (cur_scope_data->parsing_jsr()) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2416
      cur_scope_data = cur_scope_data->parent();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
    }
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2418
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2419
    assert(cur_scope_data->scope() == cur_state->scope(), "scopes do not match");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2420
    assert(cur_state->locks_size() == 0 || cur_state->locks_size() == 1, "unlocking must be done in a catchall exception handler");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2421
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2422
    prev_state = cur_state;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2423
    cur_state = cur_state->caller_state();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2424
    cur_scope_data = cur_scope_data->parent();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2425
    scope_count++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
  } while (cur_scope_data != NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2427
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2428
  return exception_handlers;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2429
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2430
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2431
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2432
// Helper class for simplifying Phis.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2433
class PhiSimplifier : public BlockClosure {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2434
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2435
  bool _has_substitutions;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2436
  Value simplify(Value v);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2439
  PhiSimplifier(BlockBegin* start) : _has_substitutions(false) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
    start->iterate_preorder(this);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
    if (_has_substitutions) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2442
      SubstitutionResolver sr(start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2443
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2444
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2445
  void block_do(BlockBegin* b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2446
  bool has_substitutions() const { return _has_substitutions; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2447
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2448
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2449
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2450
Value PhiSimplifier::simplify(Value v) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2451
  Phi* phi = v->as_Phi();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2452
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2453
  if (phi == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2454
    // no phi function
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2455
    return v;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2456
  } else if (v->has_subst()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2457
    // already substituted; subst can be phi itself -> simplify
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2458
    return simplify(v->subst());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2459
  } else if (phi->is_set(Phi::cannot_simplify)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2460
    // already tried to simplify phi before
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2461
    return phi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2462
  } else if (phi->is_set(Phi::visited)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2463
    // break cycles in phi functions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2464
    return phi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2465
  } else if (phi->type()->is_illegal()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2466
    // illegal phi functions are ignored anyway
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2467
    return phi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2470
    // mark phi function as processed to break cycles in phi functions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2471
    phi->set(Phi::visited);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2472
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2473
    // simplify x = [y, x] and x = [y, y] to y
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
    Value subst = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2475
    int opd_count = phi->operand_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2476
    for (int i = 0; i < opd_count; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2477
      Value opd = phi->operand_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2478
      assert(opd != NULL, "Operand must exist!");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2479
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2480
      if (opd->type()->is_illegal()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2481
        // if one operand is illegal, the entire phi function is illegal
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2482
        phi->make_illegal();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2483
        phi->clear(Phi::visited);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2484
        return phi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2485
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2486
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2487
      Value new_opd = simplify(opd);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2488
      assert(new_opd != NULL, "Simplified operand must exist!");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2489
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2490
      if (new_opd != phi && new_opd != subst) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2491
        if (subst == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2492
          subst = new_opd;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2493
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2494
          // no simplification possible
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2495
          phi->set(Phi::cannot_simplify);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2496
          phi->clear(Phi::visited);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2497
          return phi;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2498
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2499
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2500
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2501
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2502
    // sucessfully simplified phi function
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2503
    assert(subst != NULL, "illegal phi function");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2504
    _has_substitutions = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2505
    phi->clear(Phi::visited);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2506
    phi->set_subst(subst);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2507
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2508
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2509
    if (PrintPhiFunctions) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2510
      tty->print_cr("simplified phi function %c%d to %c%d (Block B%d)", phi->type()->tchar(), phi->id(), subst->type()->tchar(), subst->id(), phi->block()->block_id());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2511
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2512
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2513
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2514
    return subst;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2515
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2516
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2517
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2518
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2519
void PhiSimplifier::block_do(BlockBegin* b) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2520
  for_each_phi_fun(b, phi,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2521
    simplify(phi);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2522
  );
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2523
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2524
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2525
  for_each_phi_fun(b, phi,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2526
                   assert(phi->operand_count() != 1 || phi->subst() != phi, "missed trivial simplification");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2527
  );
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2528
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2529
  ValueStack* state = b->state()->caller_state();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2530
  for_each_state_value(state, value,
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2531
    Phi* phi = value->as_Phi();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2532
    assert(phi == NULL || phi->block() != b, "must not have phi function to simplify in caller state");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2533
  );
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2534
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2535
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2536
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2537
// This method is called after all blocks are filled with HIR instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2538
// It eliminates all Phi functions of the form x = [y, y] and x = [y, x]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2539
void GraphBuilder::eliminate_redundant_phis(BlockBegin* start) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
  PhiSimplifier simplifier(start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2541
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2542
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2543
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
void GraphBuilder::connect_to_end(BlockBegin* beg) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2545
  // setup iteration
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2546
  kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2547
  _block = beg;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2548
  _state = beg->state()->copy_for_parsing();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2549
  _last  = beg;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2550
  iterate_bytecodes_for_block(beg->bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2551
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2552
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
BlockEnd* GraphBuilder::iterate_bytecodes_for_block(int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2555
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2556
  if (PrintIRDuringConstruction) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
    tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2558
    InstructionPrinter ip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2559
    ip.print_instr(_block); tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
    ip.print_stack(_block->state()); tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2561
    ip.print_inline_level(_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2562
    ip.print_head();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
    tty->print_cr("locals size: %d stack size: %d", state()->locals_size(), state()->stack_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2564
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2565
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2566
  _skip_block = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2567
  assert(state() != NULL, "ValueStack missing!");
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2568
  CompileLog* log = compilation()->log();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2569
  ciBytecodeStream s(method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2570
  s.reset_to_bci(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2571
  int prev_bci = bci;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2572
  scope_data()->set_stream(&s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2573
  // iterate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2574
  Bytecodes::Code code = Bytecodes::_illegal;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2575
  bool push_exception = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2576
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
  if (block()->is_set(BlockBegin::exception_entry_flag) && block()->next() == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2578
    // first thing in the exception entry block should be the exception object.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
    push_exception = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2581
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2582
  while (!bailed_out() && last()->as_BlockEnd() == NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2583
         (code = stream()->next()) != ciBytecodeStream::EOBC() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2584
         (block_at(s.cur_bci()) == NULL || block_at(s.cur_bci()) == block())) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2585
    assert(state()->kind() == ValueStack::Parsing, "invalid state kind");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2586
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2587
    if (log != NULL)
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2588
      log->set_context("bc code='%d' bci='%d'", (int)code, s.cur_bci());
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2589
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2590
    // Check for active jsr during OSR compilation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2591
    if (compilation()->is_osr_compile()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2592
        && scope()->is_top_scope()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2593
        && parsing_jsr()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2594
        && s.cur_bci() == compilation()->osr_bci()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2595
      bailout("OSR not supported while a jsr is active");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2596
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2597
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2598
    if (push_exception) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
      apush(append(new ExceptionObject()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2600
      push_exception = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2601
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2603
    // handle bytecode
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2604
    switch (code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2605
      case Bytecodes::_nop            : /* nothing to do */ break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2606
      case Bytecodes::_aconst_null    : apush(append(new Constant(objectNull            ))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2607
      case Bytecodes::_iconst_m1      : ipush(append(new Constant(new IntConstant   (-1)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2608
      case Bytecodes::_iconst_0       : ipush(append(new Constant(intZero               ))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
      case Bytecodes::_iconst_1       : ipush(append(new Constant(intOne                ))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2610
      case Bytecodes::_iconst_2       : ipush(append(new Constant(new IntConstant   ( 2)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
      case Bytecodes::_iconst_3       : ipush(append(new Constant(new IntConstant   ( 3)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2612
      case Bytecodes::_iconst_4       : ipush(append(new Constant(new IntConstant   ( 4)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2613
      case Bytecodes::_iconst_5       : ipush(append(new Constant(new IntConstant   ( 5)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2614
      case Bytecodes::_lconst_0       : lpush(append(new Constant(new LongConstant  ( 0)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2615
      case Bytecodes::_lconst_1       : lpush(append(new Constant(new LongConstant  ( 1)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2616
      case Bytecodes::_fconst_0       : fpush(append(new Constant(new FloatConstant ( 0)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2617
      case Bytecodes::_fconst_1       : fpush(append(new Constant(new FloatConstant ( 1)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2618
      case Bytecodes::_fconst_2       : fpush(append(new Constant(new FloatConstant ( 2)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2619
      case Bytecodes::_dconst_0       : dpush(append(new Constant(new DoubleConstant( 0)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2620
      case Bytecodes::_dconst_1       : dpush(append(new Constant(new DoubleConstant( 1)))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2621
      case Bytecodes::_bipush         : ipush(append(new Constant(new IntConstant(((signed char*)s.cur_bcp())[1])))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2622
      case Bytecodes::_sipush         : ipush(append(new Constant(new IntConstant((short)Bytes::get_Java_u2(s.cur_bcp()+1))))); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2623
      case Bytecodes::_ldc            : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2624
      case Bytecodes::_ldc_w          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2625
      case Bytecodes::_ldc2_w         : load_constant(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2626
      case Bytecodes::_iload          : load_local(intType     , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2627
      case Bytecodes::_lload          : load_local(longType    , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2628
      case Bytecodes::_fload          : load_local(floatType   , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2629
      case Bytecodes::_dload          : load_local(doubleType  , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2630
      case Bytecodes::_aload          : load_local(instanceType, s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2631
      case Bytecodes::_iload_0        : load_local(intType   , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2632
      case Bytecodes::_iload_1        : load_local(intType   , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2633
      case Bytecodes::_iload_2        : load_local(intType   , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2634
      case Bytecodes::_iload_3        : load_local(intType   , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2635
      case Bytecodes::_lload_0        : load_local(longType  , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2636
      case Bytecodes::_lload_1        : load_local(longType  , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2637
      case Bytecodes::_lload_2        : load_local(longType  , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2638
      case Bytecodes::_lload_3        : load_local(longType  , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2639
      case Bytecodes::_fload_0        : load_local(floatType , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2640
      case Bytecodes::_fload_1        : load_local(floatType , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2641
      case Bytecodes::_fload_2        : load_local(floatType , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2642
      case Bytecodes::_fload_3        : load_local(floatType , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2643
      case Bytecodes::_dload_0        : load_local(doubleType, 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2644
      case Bytecodes::_dload_1        : load_local(doubleType, 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2645
      case Bytecodes::_dload_2        : load_local(doubleType, 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2646
      case Bytecodes::_dload_3        : load_local(doubleType, 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2647
      case Bytecodes::_aload_0        : load_local(objectType, 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2648
      case Bytecodes::_aload_1        : load_local(objectType, 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2649
      case Bytecodes::_aload_2        : load_local(objectType, 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2650
      case Bytecodes::_aload_3        : load_local(objectType, 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2651
      case Bytecodes::_iaload         : load_indexed(T_INT   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2652
      case Bytecodes::_laload         : load_indexed(T_LONG  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2653
      case Bytecodes::_faload         : load_indexed(T_FLOAT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2654
      case Bytecodes::_daload         : load_indexed(T_DOUBLE); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2655
      case Bytecodes::_aaload         : load_indexed(T_OBJECT); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2656
      case Bytecodes::_baload         : load_indexed(T_BYTE  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2657
      case Bytecodes::_caload         : load_indexed(T_CHAR  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2658
      case Bytecodes::_saload         : load_indexed(T_SHORT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2659
      case Bytecodes::_istore         : store_local(intType   , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2660
      case Bytecodes::_lstore         : store_local(longType  , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2661
      case Bytecodes::_fstore         : store_local(floatType , s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2662
      case Bytecodes::_dstore         : store_local(doubleType, s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2663
      case Bytecodes::_astore         : store_local(objectType, s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2664
      case Bytecodes::_istore_0       : store_local(intType   , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2665
      case Bytecodes::_istore_1       : store_local(intType   , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2666
      case Bytecodes::_istore_2       : store_local(intType   , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2667
      case Bytecodes::_istore_3       : store_local(intType   , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2668
      case Bytecodes::_lstore_0       : store_local(longType  , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2669
      case Bytecodes::_lstore_1       : store_local(longType  , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2670
      case Bytecodes::_lstore_2       : store_local(longType  , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2671
      case Bytecodes::_lstore_3       : store_local(longType  , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2672
      case Bytecodes::_fstore_0       : store_local(floatType , 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2673
      case Bytecodes::_fstore_1       : store_local(floatType , 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2674
      case Bytecodes::_fstore_2       : store_local(floatType , 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2675
      case Bytecodes::_fstore_3       : store_local(floatType , 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2676
      case Bytecodes::_dstore_0       : store_local(doubleType, 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2677
      case Bytecodes::_dstore_1       : store_local(doubleType, 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
      case Bytecodes::_dstore_2       : store_local(doubleType, 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2679
      case Bytecodes::_dstore_3       : store_local(doubleType, 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2680
      case Bytecodes::_astore_0       : store_local(objectType, 0); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2681
      case Bytecodes::_astore_1       : store_local(objectType, 1); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2682
      case Bytecodes::_astore_2       : store_local(objectType, 2); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2683
      case Bytecodes::_astore_3       : store_local(objectType, 3); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
      case Bytecodes::_iastore        : store_indexed(T_INT   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
      case Bytecodes::_lastore        : store_indexed(T_LONG  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
      case Bytecodes::_fastore        : store_indexed(T_FLOAT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2687
      case Bytecodes::_dastore        : store_indexed(T_DOUBLE); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2688
      case Bytecodes::_aastore        : store_indexed(T_OBJECT); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2689
      case Bytecodes::_bastore        : store_indexed(T_BYTE  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2690
      case Bytecodes::_castore        : store_indexed(T_CHAR  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2691
      case Bytecodes::_sastore        : store_indexed(T_SHORT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2692
      case Bytecodes::_pop            : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2693
      case Bytecodes::_pop2           : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
      case Bytecodes::_dup            : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2695
      case Bytecodes::_dup_x1         : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2696
      case Bytecodes::_dup_x2         : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2697
      case Bytecodes::_dup2           : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2698
      case Bytecodes::_dup2_x1        : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2699
      case Bytecodes::_dup2_x2        : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2700
      case Bytecodes::_swap           : stack_op(code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2701
      case Bytecodes::_iadd           : arithmetic_op(intType   , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2702
      case Bytecodes::_ladd           : arithmetic_op(longType  , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2703
      case Bytecodes::_fadd           : arithmetic_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2704
      case Bytecodes::_dadd           : arithmetic_op(doubleType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2705
      case Bytecodes::_isub           : arithmetic_op(intType   , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2706
      case Bytecodes::_lsub           : arithmetic_op(longType  , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2707
      case Bytecodes::_fsub           : arithmetic_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2708
      case Bytecodes::_dsub           : arithmetic_op(doubleType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2709
      case Bytecodes::_imul           : arithmetic_op(intType   , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2710
      case Bytecodes::_lmul           : arithmetic_op(longType  , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2711
      case Bytecodes::_fmul           : arithmetic_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2712
      case Bytecodes::_dmul           : arithmetic_op(doubleType, code); break;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2713
      case Bytecodes::_idiv           : arithmetic_op(intType   , code, copy_state_for_exception()); break;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2714
      case Bytecodes::_ldiv           : arithmetic_op(longType  , code, copy_state_for_exception()); break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2715
      case Bytecodes::_fdiv           : arithmetic_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2716
      case Bytecodes::_ddiv           : arithmetic_op(doubleType, code); break;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2717
      case Bytecodes::_irem           : arithmetic_op(intType   , code, copy_state_for_exception()); break;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2718
      case Bytecodes::_lrem           : arithmetic_op(longType  , code, copy_state_for_exception()); break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2719
      case Bytecodes::_frem           : arithmetic_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2720
      case Bytecodes::_drem           : arithmetic_op(doubleType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2721
      case Bytecodes::_ineg           : negate_op(intType   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2722
      case Bytecodes::_lneg           : negate_op(longType  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2723
      case Bytecodes::_fneg           : negate_op(floatType ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2724
      case Bytecodes::_dneg           : negate_op(doubleType); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2725
      case Bytecodes::_ishl           : shift_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2726
      case Bytecodes::_lshl           : shift_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2727
      case Bytecodes::_ishr           : shift_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2728
      case Bytecodes::_lshr           : shift_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2729
      case Bytecodes::_iushr          : shift_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2730
      case Bytecodes::_lushr          : shift_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2731
      case Bytecodes::_iand           : logic_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2732
      case Bytecodes::_land           : logic_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2733
      case Bytecodes::_ior            : logic_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2734
      case Bytecodes::_lor            : logic_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
      case Bytecodes::_ixor           : logic_op(intType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2736
      case Bytecodes::_lxor           : logic_op(longType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2737
      case Bytecodes::_iinc           : increment(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2738
      case Bytecodes::_i2l            : convert(code, T_INT   , T_LONG  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2739
      case Bytecodes::_i2f            : convert(code, T_INT   , T_FLOAT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2740
      case Bytecodes::_i2d            : convert(code, T_INT   , T_DOUBLE); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2741
      case Bytecodes::_l2i            : convert(code, T_LONG  , T_INT   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2742
      case Bytecodes::_l2f            : convert(code, T_LONG  , T_FLOAT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2743
      case Bytecodes::_l2d            : convert(code, T_LONG  , T_DOUBLE); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2744
      case Bytecodes::_f2i            : convert(code, T_FLOAT , T_INT   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2745
      case Bytecodes::_f2l            : convert(code, T_FLOAT , T_LONG  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2746
      case Bytecodes::_f2d            : convert(code, T_FLOAT , T_DOUBLE); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2747
      case Bytecodes::_d2i            : convert(code, T_DOUBLE, T_INT   ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2748
      case Bytecodes::_d2l            : convert(code, T_DOUBLE, T_LONG  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2749
      case Bytecodes::_d2f            : convert(code, T_DOUBLE, T_FLOAT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2750
      case Bytecodes::_i2b            : convert(code, T_INT   , T_BYTE  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2751
      case Bytecodes::_i2c            : convert(code, T_INT   , T_CHAR  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2752
      case Bytecodes::_i2s            : convert(code, T_INT   , T_SHORT ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2753
      case Bytecodes::_lcmp           : compare_op(longType  , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2754
      case Bytecodes::_fcmpl          : compare_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2755
      case Bytecodes::_fcmpg          : compare_op(floatType , code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2756
      case Bytecodes::_dcmpl          : compare_op(doubleType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2757
      case Bytecodes::_dcmpg          : compare_op(doubleType, code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2758
      case Bytecodes::_ifeq           : if_zero(intType   , If::eql); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2759
      case Bytecodes::_ifne           : if_zero(intType   , If::neq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2760
      case Bytecodes::_iflt           : if_zero(intType   , If::lss); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2761
      case Bytecodes::_ifge           : if_zero(intType   , If::geq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2762
      case Bytecodes::_ifgt           : if_zero(intType   , If::gtr); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2763
      case Bytecodes::_ifle           : if_zero(intType   , If::leq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2764
      case Bytecodes::_if_icmpeq      : if_same(intType   , If::eql); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2765
      case Bytecodes::_if_icmpne      : if_same(intType   , If::neq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2766
      case Bytecodes::_if_icmplt      : if_same(intType   , If::lss); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2767
      case Bytecodes::_if_icmpge      : if_same(intType   , If::geq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2768
      case Bytecodes::_if_icmpgt      : if_same(intType   , If::gtr); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2769
      case Bytecodes::_if_icmple      : if_same(intType   , If::leq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2770
      case Bytecodes::_if_acmpeq      : if_same(objectType, If::eql); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2771
      case Bytecodes::_if_acmpne      : if_same(objectType, If::neq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2772
      case Bytecodes::_goto           : _goto(s.cur_bci(), s.get_dest()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2773
      case Bytecodes::_jsr            : jsr(s.get_dest()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2774
      case Bytecodes::_ret            : ret(s.get_index()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2775
      case Bytecodes::_tableswitch    : table_switch(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2776
      case Bytecodes::_lookupswitch   : lookup_switch(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2777
      case Bytecodes::_ireturn        : method_return(ipop()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2778
      case Bytecodes::_lreturn        : method_return(lpop()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2779
      case Bytecodes::_freturn        : method_return(fpop()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2780
      case Bytecodes::_dreturn        : method_return(dpop()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2781
      case Bytecodes::_areturn        : method_return(apop()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2782
      case Bytecodes::_return         : method_return(NULL  ); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2783
      case Bytecodes::_getstatic      : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2784
      case Bytecodes::_putstatic      : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2785
      case Bytecodes::_getfield       : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2786
      case Bytecodes::_putfield       : access_field(code); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2787
      case Bytecodes::_invokevirtual  : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2788
      case Bytecodes::_invokespecial  : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2789
      case Bytecodes::_invokestatic   : // fall through
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1623
diff changeset
  2790
      case Bytecodes::_invokedynamic  : // fall through
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2791
      case Bytecodes::_invokeinterface: invoke(code); break;
5688
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 5535
diff changeset
  2792
      case Bytecodes::_new            : new_instance(s.get_index_u2()); break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2793
      case Bytecodes::_newarray       : new_type_array(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2794
      case Bytecodes::_anewarray      : new_object_array(); break;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2795
      case Bytecodes::_arraylength    : { ValueStack* state_before = copy_state_for_exception(); ipush(append(new ArrayLength(apop(), state_before))); break; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2796
      case Bytecodes::_athrow         : throw_op(s.cur_bci()); break;
5688
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 5535
diff changeset
  2797
      case Bytecodes::_checkcast      : check_cast(s.get_index_u2()); break;
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 5535
diff changeset
  2798
      case Bytecodes::_instanceof     : instance_of(s.get_index_u2()); break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2799
      case Bytecodes::_monitorenter   : monitorenter(apop(), s.cur_bci()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2800
      case Bytecodes::_monitorexit    : monitorexit (apop(), s.cur_bci()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2801
      case Bytecodes::_wide           : ShouldNotReachHere(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2802
      case Bytecodes::_multianewarray : new_multi_array(s.cur_bcp()[3]); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2803
      case Bytecodes::_ifnull         : if_null(objectType, If::eql); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2804
      case Bytecodes::_ifnonnull      : if_null(objectType, If::neq); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2805
      case Bytecodes::_goto_w         : _goto(s.cur_bci(), s.get_far_dest()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2806
      case Bytecodes::_jsr_w          : jsr(s.get_far_dest()); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2807
      case Bytecodes::_breakpoint     : BAILOUT_("concurrent setting of breakpoint", NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2808
      default                         : ShouldNotReachHere(); break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2809
    }
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2810
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2811
    if (log != NULL)
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2812
      log->clear_context(); // skip marker if nothing was printed
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2813
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2814
    // save current bci to setup Goto at the end
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2815
    prev_bci = s.cur_bci();
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  2816
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2817
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2818
  CHECK_BAILOUT_(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2819
  // stop processing of this block (see try_inline_full)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2820
  if (_skip_block) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2821
    _skip_block = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2822
    assert(_last && _last->as_BlockEnd(), "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2823
    return _last->as_BlockEnd();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2824
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2825
  // if there are any, check if last instruction is a BlockEnd instruction
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2826
  BlockEnd* end = last()->as_BlockEnd();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2827
  if (end == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2828
    // all blocks must end with a BlockEnd instruction => add a Goto
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2829
    end = new Goto(block_at(s.cur_bci()), false);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2830
    append(end);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2831
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2832
  assert(end == last()->as_BlockEnd(), "inconsistency");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2833
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2834
  assert(end->state() != NULL, "state must already be present");
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2835
  assert(end->as_Return() == NULL || end->as_Throw() == NULL || end->state()->stack_size() == 0, "stack not needed for return and throw");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2836
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2837
  // connect to begin & set state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2838
  // NOTE that inlining may have changed the block we are parsing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2839
  block()->set_end(end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2840
  // propagate state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2841
  for (int i = end->number_of_sux() - 1; i >= 0; i--) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2842
    BlockBegin* sux = end->sux_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2843
    assert(sux->is_predecessor(block()), "predecessor missing");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2844
    // be careful, bailout if bytecodes are strange
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2845
    if (!sux->try_merge(end->state())) BAILOUT_("block join failed", NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2846
    scope_data()->add_to_work_list(end->sux_at(i));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2847
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
  scope_data()->set_stream(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2850
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
  // done
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2852
  return end;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2853
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2854
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2855
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2856
void GraphBuilder::iterate_all_blocks(bool start_in_current_block_for_inlining) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2857
  do {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2858
    if (start_in_current_block_for_inlining && !bailed_out()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2859
      iterate_bytecodes_for_block(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2860
      start_in_current_block_for_inlining = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2861
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2862
      BlockBegin* b;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2863
      while ((b = scope_data()->remove_from_work_list()) != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2864
        if (!b->is_set(BlockBegin::was_visited_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2865
          if (b->is_set(BlockBegin::osr_entry_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2866
            // we're about to parse the osr entry block, so make sure
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2867
            // we setup the OSR edge leading into this block so that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2868
            // Phis get setup correctly.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2869
            setup_osr_entry_block();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2870
            // this is no longer the osr entry block, so clear it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2871
            b->clear(BlockBegin::osr_entry_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2872
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2873
          b->set(BlockBegin::was_visited_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2874
          connect_to_end(b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2875
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2876
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2877
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2878
  } while (!bailed_out() && !scope_data()->is_work_list_empty());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2879
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2880
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2881
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2882
bool GraphBuilder::_can_trap      [Bytecodes::number_of_java_codes];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2883
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2884
void GraphBuilder::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2885
  // the following bytecodes are assumed to potentially
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2886
  // throw exceptions in compiled code - note that e.g.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2887
  // monitorexit & the return bytecodes do not throw
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2888
  // exceptions since monitor pairing proved that they
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2889
  // succeed (if monitor pairing succeeded)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2890
  Bytecodes::Code can_trap_list[] =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2891
    { Bytecodes::_ldc
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2892
    , Bytecodes::_ldc_w
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2893
    , Bytecodes::_ldc2_w
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2894
    , Bytecodes::_iaload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2895
    , Bytecodes::_laload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2896
    , Bytecodes::_faload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2897
    , Bytecodes::_daload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2898
    , Bytecodes::_aaload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2899
    , Bytecodes::_baload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2900
    , Bytecodes::_caload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2901
    , Bytecodes::_saload
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2902
    , Bytecodes::_iastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2903
    , Bytecodes::_lastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2904
    , Bytecodes::_fastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2905
    , Bytecodes::_dastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2906
    , Bytecodes::_aastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2907
    , Bytecodes::_bastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2908
    , Bytecodes::_castore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2909
    , Bytecodes::_sastore
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2910
    , Bytecodes::_idiv
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2911
    , Bytecodes::_ldiv
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2912
    , Bytecodes::_irem
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2913
    , Bytecodes::_lrem
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2914
    , Bytecodes::_getstatic
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2915
    , Bytecodes::_putstatic
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2916
    , Bytecodes::_getfield
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2917
    , Bytecodes::_putfield
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2918
    , Bytecodes::_invokevirtual
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2919
    , Bytecodes::_invokespecial
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2920
    , Bytecodes::_invokestatic
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 1623
diff changeset
  2921
    , Bytecodes::_invokedynamic
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2922
    , Bytecodes::_invokeinterface
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2923
    , Bytecodes::_new
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2924
    , Bytecodes::_newarray
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2925
    , Bytecodes::_anewarray
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2926
    , Bytecodes::_arraylength
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2927
    , Bytecodes::_athrow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2928
    , Bytecodes::_checkcast
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2929
    , Bytecodes::_instanceof
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2930
    , Bytecodes::_monitorenter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2931
    , Bytecodes::_multianewarray
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2932
    };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2933
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2934
  // inititialize trap tables
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2935
  for (int i = 0; i < Bytecodes::number_of_java_codes; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2936
    _can_trap[i] = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2937
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2938
  // set standard trap info
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2939
  for (uint j = 0; j < ARRAY_SIZE(can_trap_list); j++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2940
    _can_trap[can_trap_list[j]] = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2941
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2942
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2943
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2944
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2945
BlockBegin* GraphBuilder::header_block(BlockBegin* entry, BlockBegin::Flag f, ValueStack* state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2946
  assert(entry->is_set(f), "entry/flag mismatch");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2947
  // create header block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2948
  BlockBegin* h = new BlockBegin(entry->bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2949
  h->set_depth_first_number(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2950
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2951
  Value l = h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2952
  BlockEnd* g = new Goto(entry, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2953
  l->set_next(g, entry->bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2954
  h->set_end(g);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2955
  h->set(f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2956
  // setup header block end state
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2957
  ValueStack* s = state->copy(ValueStack::StateAfter, entry->bci()); // can use copy since stack is empty (=> no phis)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2958
  assert(s->stack_is_empty(), "must have empty stack at entry point");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2959
  g->set_state(s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2960
  return h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2961
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2962
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2963
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2964
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2965
BlockBegin* GraphBuilder::setup_start_block(int osr_bci, BlockBegin* std_entry, BlockBegin* osr_entry, ValueStack* state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2966
  BlockBegin* start = new BlockBegin(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2967
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2968
  // This code eliminates the empty start block at the beginning of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2969
  // each method.  Previously, each method started with the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2970
  // start-block created below, and this block was followed by the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2971
  // header block that was always empty.  This header block is only
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2972
  // necesary if std_entry is also a backward branch target because
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2973
  // then phi functions may be necessary in the header block.  It's
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2974
  // also necessary when profiling so that there's a single block that
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2975
  // can increment the interpreter_invocation_count.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2976
  BlockBegin* new_header_block;
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2977
  if (std_entry->number_of_preds() > 0 || count_invocations() || count_backedges()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2978
    new_header_block = header_block(std_entry, BlockBegin::std_entry_flag, state);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  2979
  } else {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2980
    new_header_block = std_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2981
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2982
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2983
  // setup start block (root for the IR graph)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2984
  Base* base =
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2985
    new Base(
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2986
      new_header_block,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2987
      osr_entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2988
    );
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2989
  start->set_next(base, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2990
  start->set_end(base);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2991
  // create & setup state for start block
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2992
  start->set_state(state->copy(ValueStack::StateAfter, std_entry->bci()));
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  2993
  base->set_state(state->copy(ValueStack::StateAfter, std_entry->bci()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2994
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2995
  if (base->std_entry()->state() == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2996
    // setup states for header blocks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2997
    base->std_entry()->merge(state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2998
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2999
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3000
  assert(base->std_entry()->state() != NULL, "");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3001
  return start;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3002
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3003
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3004
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3005
void GraphBuilder::setup_osr_entry_block() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3006
  assert(compilation()->is_osr_compile(), "only for osrs");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
  int osr_bci = compilation()->osr_bci();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3009
  ciBytecodeStream s(method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
  s.reset_to_bci(osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  s.next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
  scope_data()->set_stream(&s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3013
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3014
  // create a new block to be the osr setup code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3015
  _osr_entry = new BlockBegin(osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3016
  _osr_entry->set(BlockBegin::osr_entry_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
  _osr_entry->set_depth_first_number(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3018
  BlockBegin* target = bci2block()->at(osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3019
  assert(target != NULL && target->is_set(BlockBegin::osr_entry_flag), "must be there");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3020
  // the osr entry has no values for locals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
  ValueStack* state = target->state()->copy();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3022
  _osr_entry->set_state(state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3023
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3024
  kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3025
  _block = _osr_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
  _state = _osr_entry->state()->copy();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3027
  assert(_state->bci() == osr_bci, "mismatch");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
  _last  = _osr_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3029
  Value e = append(new OsrEntry());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
  e->set_needs_null_check(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3031
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3032
  // OSR buffer is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3033
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
  // locals[nlocals-1..0]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3035
  // monitors[number_of_locks-1..0]
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3036
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
  // locals is a direct copy of the interpreter frame so in the osr buffer
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
  // so first slot in the local array is the last local from the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
  // and last slot is local[0] (receiver) from the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
  // Similarly with locks. The first lock slot in the osr buffer is the nth lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
  // from the interpreter frame, the nth lock slot in the osr buffer is 0th lock
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
  // in the interpreter frame (the method lock if a sync method)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3045
  // Initialize monitors in the compiled activation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3047
  int index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
  Value local;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3050
  // find all the locals that the interpreter thinks contain live oops
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3051
  const BitMap live_oops = method()->live_local_oops_at_bci(osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3052
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3053
  // compute the offset into the locals so that we can treat the buffer
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3054
  // as if the locals were still in the interpreter frame
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3055
  int locals_offset = BytesPerWord * (method()->max_locals() - 1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3056
  for_each_local_value(state, index, local) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
    int offset = locals_offset - (index + local->type()->size() - 1) * BytesPerWord;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
    Value get;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
    if (local->type()->is_object_kind() && !live_oops.at(index)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3060
      // The interpreter thinks this local is dead but the compiler
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
      // doesn't so pretend that the interpreter passed in null.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3062
      get = append(new Constant(objectNull));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
      get = append(new UnsafeGetRaw(as_BasicType(local->type()), e,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3065
                                    append(new Constant(new IntConstant(offset))),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3066
                                    0,
7427
d7b79a367474 6985015: C1 needs to support compressed oops
iveresov
parents: 7397
diff changeset
  3067
                                    true /*unaligned*/, true /*wide*/));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3068
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3069
    _state->store_local(index, get);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3070
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
  // the storage for the OSR buffer is freed manually in the LIRGenerator.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3074
  assert(state->caller_state() == NULL, "should be top scope");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3075
  state->clear_locals();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3076
  Goto* g = new Goto(target, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3077
  append(g);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3078
  _osr_entry->set_end(g);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3079
  target->merge(_osr_entry->end()->state());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3080
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
  scope_data()->set_stream(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3084
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3085
ValueStack* GraphBuilder::state_at_entry() {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3086
  ValueStack* state = new ValueStack(scope(), NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3087
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3088
  // Set up locals for receiver
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3089
  int idx = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3090
  if (!method()->is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3091
    // we should always see the receiver
9102
4708a4aefb33 7033154: Improve C1 arraycopy performance
roland
parents: 8872
diff changeset
  3092
    state->store_local(idx, new Local(method()->holder(), objectType, idx));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3093
    idx = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3094
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3095
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3096
  // Set up locals for incoming arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3097
  ciSignature* sig = method()->signature();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3098
  for (int i = 0; i < sig->count(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3099
    ciType* type = sig->type_at(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3100
    BasicType basic_type = type->basic_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3101
    // don't allow T_ARRAY to propagate into locals types
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3102
    if (basic_type == T_ARRAY) basic_type = T_OBJECT;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3103
    ValueType* vt = as_ValueType(basic_type);
9102
4708a4aefb33 7033154: Improve C1 arraycopy performance
roland
parents: 8872
diff changeset
  3104
    state->store_local(idx, new Local(type, vt, idx));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3105
    idx += type->size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3106
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3107
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3108
  // lock synchronized method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3109
  if (method()->is_synchronized()) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3110
    state->lock(NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3111
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3112
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3113
  return state;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3114
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3115
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3116
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3117
GraphBuilder::GraphBuilder(Compilation* compilation, IRScope* scope)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3118
  : _scope_data(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3119
  , _instruction_count(0)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3120
  , _osr_entry(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3121
  , _memory(new MemoryBuffer())
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3122
  , _compilation(compilation)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3123
  , _inline_bailout_msg(NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3124
{
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3125
  int osr_bci = compilation->osr_bci();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3127
  // determine entry points and bci2block mapping
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3128
  BlockListBuilder blm(compilation, scope, osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3129
  CHECK_BAILOUT();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3130
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3131
  BlockList* bci2block = blm.bci2block();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3132
  BlockBegin* start_block = bci2block->at(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3133
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3134
  push_root_scope(scope, bci2block, start_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3135
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3136
  // setup state for std entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3137
  _initial_state = state_at_entry();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3138
  start_block->merge(_initial_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3139
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3140
  // complete graph
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3141
  _vmap        = new ValueMap();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3142
  switch (scope->method()->intrinsic_id()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3143
  case vmIntrinsics::_dabs          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3144
  case vmIntrinsics::_dsqrt         : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3145
  case vmIntrinsics::_dsin          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3146
  case vmIntrinsics::_dcos          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3147
  case vmIntrinsics::_dtan          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3148
  case vmIntrinsics::_dlog          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3149
  case vmIntrinsics::_dlog10        : // fall through
12739
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3150
  case vmIntrinsics::_dexp          : // fall through
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3151
  case vmIntrinsics::_dpow          : // fall through
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3152
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3153
      // Compiles where the root method is an intrinsic need a special
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3154
      // compilation environment because the bytecodes for the method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3155
      // shouldn't be parsed during the compilation, only the special
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3156
      // Intrinsic node should be emitted.  If this isn't done the the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3157
      // code for the inlined version will be different than the root
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3158
      // compiled version which could lead to monotonicity problems on
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3159
      // intel.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3160
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3161
      // Set up a stream so that appending instructions works properly.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3162
      ciBytecodeStream s(scope->method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3163
      s.reset_to_bci(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3164
      scope_data()->set_stream(&s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3165
      s.next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3166
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3167
      // setup the initial block state
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3168
      _block = start_block;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3169
      _state = start_block->state()->copy_for_parsing();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3170
      _last  = start_block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3171
      load_local(doubleType, 0);
12739
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3172
      if (scope->method()->intrinsic_id() == vmIntrinsics::_dpow) {
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3173
        load_local(doubleType, 2);
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3174
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3175
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3176
      // Emit the intrinsic node.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3177
      bool result = try_inline_intrinsics(scope->method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3178
      if (!result) BAILOUT("failed to inline intrinsic");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3179
      method_return(dpop());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3180
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3181
      // connect the begin and end blocks and we're all done.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3182
      BlockEnd* end = last()->as_BlockEnd();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3183
      block()->set_end(end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3184
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3185
    }
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3186
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3187
  case vmIntrinsics::_Reference_get:
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3188
    {
13486
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3189
      {
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3190
        // With java.lang.ref.reference.get() we must go through the
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3191
        // intrinsic - when G1 is enabled - even when get() is the root
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3192
        // method of the compile so that, if necessary, the value in
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3193
        // the referent field of the reference object gets recorded by
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3194
        // the pre-barrier code.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3195
        // Specifically, if G1 is enabled, the value in the referent
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3196
        // field is recorded by the G1 SATB pre barrier. This will
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3197
        // result in the referent being marked live and the reference
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3198
        // object removed from the list of discovered references during
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3199
        // reference processing.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3200
13486
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3201
        // Also we need intrinsic to prevent commoning reads from this field
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3202
        // across safepoint since GC can change its value.
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3203
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3204
        // Set up a stream so that appending instructions works properly.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3205
        ciBytecodeStream s(scope->method());
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3206
        s.reset_to_bci(0);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3207
        scope_data()->set_stream(&s);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3208
        s.next();
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3209
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3210
        // setup the initial block state
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3211
        _block = start_block;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3212
        _state = start_block->state()->copy_for_parsing();
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3213
        _last  = start_block;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3214
        load_local(objectType, 0);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3215
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3216
        // Emit the intrinsic node.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3217
        bool result = try_inline_intrinsics(scope->method());
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3218
        if (!result) BAILOUT("failed to inline intrinsic");
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3219
        method_return(apop());
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3220
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3221
        // connect the begin and end blocks and we're all done.
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3222
        BlockEnd* end = last()->as_BlockEnd();
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3223
        block()->set_end(end);
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3224
        break;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3225
      }
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3226
      // Otherwise, fall thru
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3227
    }
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3228
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3229
  default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3230
    scope_data()->add_to_work_list(start_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3231
    iterate_all_blocks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3232
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3233
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3234
  CHECK_BAILOUT();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3235
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3236
  _start = setup_start_block(osr_bci, start_block, _osr_entry, _initial_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3237
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3238
  eliminate_redundant_phis(_start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3239
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3240
  NOT_PRODUCT(if (PrintValueNumbering && Verbose) print_stats());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3241
  // for osr compile, bailout if some requirements are not fulfilled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3242
  if (osr_bci != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3243
    BlockBegin* osr_block = blm.bci2block()->at(osr_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3244
    assert(osr_block->is_set(BlockBegin::was_visited_flag),"osr entry must have been visited for osr compile");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3245
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3246
    // check if osr entry point has empty stack - we cannot handle non-empty stacks at osr entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3247
    if (!osr_block->state()->stack_is_empty()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3248
      BAILOUT("stack not empty at OSR entry point");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3249
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3250
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3251
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3252
  if (PrintCompilation && Verbose) tty->print_cr("Created %d Instructions", _instruction_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3253
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3254
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3255
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3256
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3257
ValueStack* GraphBuilder::copy_state_before() {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3258
  return copy_state_before_with_bci(bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3259
}
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3260
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3261
ValueStack* GraphBuilder::copy_state_exhandling() {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3262
  return copy_state_exhandling_with_bci(bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3263
}
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3264
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3265
ValueStack* GraphBuilder::copy_state_for_exception() {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3266
  return copy_state_for_exception_with_bci(bci());
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3267
}
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3268
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3269
ValueStack* GraphBuilder::copy_state_before_with_bci(int bci) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3270
  return state()->copy(ValueStack::StateBefore, bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3271
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3272
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3273
ValueStack* GraphBuilder::copy_state_exhandling_with_bci(int bci) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3274
  if (!has_handler()) return NULL;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3275
  return state()->copy(ValueStack::StateBefore, bci);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3276
}
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3277
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3278
ValueStack* GraphBuilder::copy_state_for_exception_with_bci(int bci) {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3279
  ValueStack* s = copy_state_exhandling_with_bci(bci);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3280
  if (s == NULL) {
22893
e3a2b513713a 8035493: JVMTI PopFrame capability must instruct compilers not to prune locals
mgronlun
parents: 22238
diff changeset
  3281
    if (_compilation->env()->should_retain_local_variables()) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3282
      s = state()->copy(ValueStack::ExceptionState, bci);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3283
    } else {
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3284
      s = state()->copy(ValueStack::EmptyExceptionState, bci);
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3285
    }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3286
  }
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3287
  return s;
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3288
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3289
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3290
int GraphBuilder::recursive_inline_level(ciMethod* cur_callee) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3291
  int recur_level = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3292
  for (IRScope* s = scope(); s != NULL; s = s->caller()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3293
    if (s->method() == cur_callee) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3294
      ++recur_level;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3295
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3296
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3297
  return recur_level;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3298
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3299
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3300
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3301
bool GraphBuilder::try_inline(ciMethod* callee, bool holder_known, Bytecodes::Code bc, Value receiver) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3302
  const char* msg = NULL;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3303
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3304
  // clear out any existing inline bailout condition
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3305
  clear_inline_bailout();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3306
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3307
  // exclude methods we don't want to inline
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3308
  msg = should_not_inline(callee);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3309
  if (msg != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3310
    print_inlining(callee, msg, /*success*/ false);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3311
    return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3312
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3313
14130
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  3314
  // method handle invokes
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  3315
  if (callee->is_method_handle_intrinsic()) {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  3316
    return try_method_handle_inline(callee);
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  3317
  }
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  3318
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3319
  // handle intrinsics
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3320
  if (callee->intrinsic_id() != vmIntrinsics::_none) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3321
    if (try_inline_intrinsics(callee)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3322
      print_inlining(callee, "intrinsic");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3323
      return true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3324
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3325
    // try normal inlining
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3326
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3327
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3328
  // certain methods cannot be parsed at all
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3329
  msg = check_can_parse(callee);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3330
  if (msg != NULL) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3331
    print_inlining(callee, msg, /*success*/ false);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3332
    return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3333
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3334
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3335
  // If bytecode not set use the current one.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3336
  if (bc == Bytecodes::_illegal) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3337
    bc = code();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3338
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3339
  if (try_inline_full(callee, holder_known, bc, receiver))
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3340
    return true;
15209
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3341
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3342
  // Entire compilation could fail during try_inline_full call.
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3343
  // In that case printing inlining decision info is useless.
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3344
  if (!bailed_out())
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3345
    print_inlining(callee, _inline_bailout_msg, /*success*/ false);
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3346
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3347
  return false;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3348
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3349
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3350
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3351
const char* GraphBuilder::check_can_parse(ciMethod* callee) const {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3352
  // Certain methods cannot be parsed at all:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3353
  if ( callee->is_native())            return "native method";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3354
  if ( callee->is_abstract())          return "abstract method";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3355
  if (!callee->can_be_compiled())      return "not compilable (disabled)";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3356
  return NULL;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3357
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3358
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3359
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3360
// negative filter: should callee NOT be inlined?  returns NULL, ok to inline, or rejection msg
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3361
const char* GraphBuilder::should_not_inline(ciMethod* callee) const {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3362
  if ( callee->should_exclude())       return "excluded by CompilerOracle";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3363
  if ( callee->should_not_inline())    return "disallowed by CompilerOracle";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3364
  if ( callee->dont_inline())          return "don't inline by annotation";
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3365
  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3366
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3367
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3368
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3369
bool GraphBuilder::try_inline_intrinsics(ciMethod* callee) {
5535
a747f18b3d7e 6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append
never
parents: 5353
diff changeset
  3370
  if (callee->is_synchronized()) {
a747f18b3d7e 6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append
never
parents: 5353
diff changeset
  3371
    // We don't currently support any synchronized intrinsics
a747f18b3d7e 6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append
never
parents: 5353
diff changeset
  3372
    return false;
a747f18b3d7e 6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append
never
parents: 5353
diff changeset
  3373
  }
a747f18b3d7e 6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append
never
parents: 5353
diff changeset
  3374
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3375
  // callee seems like a good candidate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3376
  // determine id
13486
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3377
  vmIntrinsics::ID id = callee->intrinsic_id();
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3378
  if (!InlineNatives && id != vmIntrinsics::_Reference_get) {
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3379
    // InlineNatives does not control Reference.get
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3380
    INLINE_BAILOUT("intrinsic method inlining disabled");
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3381
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3382
  bool preserves_state = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3383
  bool cantrap = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3384
  switch (id) {
12377
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3385
    case vmIntrinsics::_arraycopy:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3386
      if (!InlineArrayCopy) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3387
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3388
12377
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3389
#ifdef TRACE_HAVE_INTRINSICS
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3390
    case vmIntrinsics::_classID:
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3391
    case vmIntrinsics::_threadID:
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3392
      preserves_state = true;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3393
      cantrap = true;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3394
      break;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3395
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3396
    case vmIntrinsics::_counterTime:
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3397
      preserves_state = true;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3398
      cantrap = false;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3399
      break;
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3400
#endif
ae6def2813e0 7160570: Intrinsification support for tracing framework
rbackman
parents: 12369
diff changeset
  3401
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3402
    case vmIntrinsics::_currentTimeMillis:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3403
    case vmIntrinsics::_nanoTime:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3404
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3405
      cantrap = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3406
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3408
    case vmIntrinsics::_floatToRawIntBits   :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3409
    case vmIntrinsics::_intBitsToFloat      :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3410
    case vmIntrinsics::_doubleToRawLongBits :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3411
    case vmIntrinsics::_longBitsToDouble    :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3412
      if (!InlineMathNatives) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3413
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3414
      cantrap = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3415
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3416
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3417
    case vmIntrinsics::_getClass      :
12949
e125ba4c16bd 7171890: C1: add Class.isInstance intrinsic
roland
parents: 12739
diff changeset
  3418
    case vmIntrinsics::_isInstance    :
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3419
      if (!InlineClassNatives) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3420
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3421
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3422
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3423
    case vmIntrinsics::_currentThread :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3424
      if (!InlineThreadNatives) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3425
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3426
      cantrap = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3427
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3428
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3429
    case vmIntrinsics::_dabs          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3430
    case vmIntrinsics::_dsqrt         : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3431
    case vmIntrinsics::_dsin          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3432
    case vmIntrinsics::_dcos          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3433
    case vmIntrinsics::_dtan          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3434
    case vmIntrinsics::_dlog          : // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3435
    case vmIntrinsics::_dlog10        : // fall through
12739
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3436
    case vmIntrinsics::_dexp          : // fall through
09f26b73ae66 7133857: exp() and pow() should use the x87 ISA on x86
roland
parents: 12377
diff changeset
  3437
    case vmIntrinsics::_dpow          : // fall through
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3438
      if (!InlineMathNatives) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3439
      cantrap = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3440
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3441
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3442
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3443
    // Use special nodes for Unsafe instructions so we can more easily
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3444
    // perform an address-mode optimization on the raw variants
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3445
    case vmIntrinsics::_getObject : return append_unsafe_get_obj(callee, T_OBJECT,  false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3446
    case vmIntrinsics::_getBoolean: return append_unsafe_get_obj(callee, T_BOOLEAN, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3447
    case vmIntrinsics::_getByte   : return append_unsafe_get_obj(callee, T_BYTE,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3448
    case vmIntrinsics::_getShort  : return append_unsafe_get_obj(callee, T_SHORT,   false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3449
    case vmIntrinsics::_getChar   : return append_unsafe_get_obj(callee, T_CHAR,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3450
    case vmIntrinsics::_getInt    : return append_unsafe_get_obj(callee, T_INT,     false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3451
    case vmIntrinsics::_getLong   : return append_unsafe_get_obj(callee, T_LONG,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3452
    case vmIntrinsics::_getFloat  : return append_unsafe_get_obj(callee, T_FLOAT,   false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3453
    case vmIntrinsics::_getDouble : return append_unsafe_get_obj(callee, T_DOUBLE,  false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3454
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3455
    case vmIntrinsics::_putObject : return append_unsafe_put_obj(callee, T_OBJECT,  false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3456
    case vmIntrinsics::_putBoolean: return append_unsafe_put_obj(callee, T_BOOLEAN, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3457
    case vmIntrinsics::_putByte   : return append_unsafe_put_obj(callee, T_BYTE,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3458
    case vmIntrinsics::_putShort  : return append_unsafe_put_obj(callee, T_SHORT,   false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3459
    case vmIntrinsics::_putChar   : return append_unsafe_put_obj(callee, T_CHAR,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3460
    case vmIntrinsics::_putInt    : return append_unsafe_put_obj(callee, T_INT,     false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3461
    case vmIntrinsics::_putLong   : return append_unsafe_put_obj(callee, T_LONG,    false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3462
    case vmIntrinsics::_putFloat  : return append_unsafe_put_obj(callee, T_FLOAT,   false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3463
    case vmIntrinsics::_putDouble : return append_unsafe_put_obj(callee, T_DOUBLE,  false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3464
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3465
    case vmIntrinsics::_getObjectVolatile : return append_unsafe_get_obj(callee, T_OBJECT,  true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3466
    case vmIntrinsics::_getBooleanVolatile: return append_unsafe_get_obj(callee, T_BOOLEAN, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3467
    case vmIntrinsics::_getByteVolatile   : return append_unsafe_get_obj(callee, T_BYTE,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3468
    case vmIntrinsics::_getShortVolatile  : return append_unsafe_get_obj(callee, T_SHORT,   true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3469
    case vmIntrinsics::_getCharVolatile   : return append_unsafe_get_obj(callee, T_CHAR,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3470
    case vmIntrinsics::_getIntVolatile    : return append_unsafe_get_obj(callee, T_INT,     true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3471
    case vmIntrinsics::_getLongVolatile   : return append_unsafe_get_obj(callee, T_LONG,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3472
    case vmIntrinsics::_getFloatVolatile  : return append_unsafe_get_obj(callee, T_FLOAT,   true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3473
    case vmIntrinsics::_getDoubleVolatile : return append_unsafe_get_obj(callee, T_DOUBLE,  true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3474
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3475
    case vmIntrinsics::_putObjectVolatile : return append_unsafe_put_obj(callee, T_OBJECT,  true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3476
    case vmIntrinsics::_putBooleanVolatile: return append_unsafe_put_obj(callee, T_BOOLEAN, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3477
    case vmIntrinsics::_putByteVolatile   : return append_unsafe_put_obj(callee, T_BYTE,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3478
    case vmIntrinsics::_putShortVolatile  : return append_unsafe_put_obj(callee, T_SHORT,   true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3479
    case vmIntrinsics::_putCharVolatile   : return append_unsafe_put_obj(callee, T_CHAR,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3480
    case vmIntrinsics::_putIntVolatile    : return append_unsafe_put_obj(callee, T_INT,     true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3481
    case vmIntrinsics::_putLongVolatile   : return append_unsafe_put_obj(callee, T_LONG,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3482
    case vmIntrinsics::_putFloatVolatile  : return append_unsafe_put_obj(callee, T_FLOAT,   true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3483
    case vmIntrinsics::_putDoubleVolatile : return append_unsafe_put_obj(callee, T_DOUBLE,  true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3484
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3485
    case vmIntrinsics::_getByte_raw   : return append_unsafe_get_raw(callee, T_BYTE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3486
    case vmIntrinsics::_getShort_raw  : return append_unsafe_get_raw(callee, T_SHORT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3487
    case vmIntrinsics::_getChar_raw   : return append_unsafe_get_raw(callee, T_CHAR);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3488
    case vmIntrinsics::_getInt_raw    : return append_unsafe_get_raw(callee, T_INT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3489
    case vmIntrinsics::_getLong_raw   : return append_unsafe_get_raw(callee, T_LONG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3490
    case vmIntrinsics::_getFloat_raw  : return append_unsafe_get_raw(callee, T_FLOAT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3491
    case vmIntrinsics::_getDouble_raw : return append_unsafe_get_raw(callee, T_DOUBLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3492
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3493
    case vmIntrinsics::_putByte_raw   : return append_unsafe_put_raw(callee, T_BYTE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3494
    case vmIntrinsics::_putShort_raw  : return append_unsafe_put_raw(callee, T_SHORT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3495
    case vmIntrinsics::_putChar_raw   : return append_unsafe_put_raw(callee, T_CHAR);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3496
    case vmIntrinsics::_putInt_raw    : return append_unsafe_put_raw(callee, T_INT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3497
    case vmIntrinsics::_putLong_raw   : return append_unsafe_put_raw(callee, T_LONG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3498
    case vmIntrinsics::_putFloat_raw  : return append_unsafe_put_raw(callee, T_FLOAT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3499
    case vmIntrinsics::_putDouble_raw : return append_unsafe_put_raw(callee, T_DOUBLE);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3500
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3501
    case vmIntrinsics::_checkIndex    :
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3502
      if (!InlineNIOCheckIndex) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3503
      preserves_state = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3504
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3505
    case vmIntrinsics::_putOrderedObject : return append_unsafe_put_obj(callee, T_OBJECT,  true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3506
    case vmIntrinsics::_putOrderedInt    : return append_unsafe_put_obj(callee, T_INT,     true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3507
    case vmIntrinsics::_putOrderedLong   : return append_unsafe_put_obj(callee, T_LONG,    true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3508
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3509
    case vmIntrinsics::_compareAndSwapLong:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3510
      if (!VM_Version::supports_cx8()) return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3511
      // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3512
    case vmIntrinsics::_compareAndSwapInt:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3513
    case vmIntrinsics::_compareAndSwapObject:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3514
      append_unsafe_CAS(callee);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3515
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3516
13886
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3517
    case vmIntrinsics::_getAndAddInt:
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3518
      if (!VM_Version::supports_atomic_getadd4()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3519
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3520
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3521
      return append_unsafe_get_and_set_obj(callee, true);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3522
    case vmIntrinsics::_getAndAddLong:
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3523
      if (!VM_Version::supports_atomic_getadd8()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3524
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3525
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3526
      return append_unsafe_get_and_set_obj(callee, true);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3527
    case vmIntrinsics::_getAndSetInt:
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3528
      if (!VM_Version::supports_atomic_getset4()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3529
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3530
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3531
      return append_unsafe_get_and_set_obj(callee, false);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3532
    case vmIntrinsics::_getAndSetLong:
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3533
      if (!VM_Version::supports_atomic_getset8()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3534
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3535
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3536
      return append_unsafe_get_and_set_obj(callee, false);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3537
    case vmIntrinsics::_getAndSetObject:
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3538
#ifdef _LP64
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3539
      if (!UseCompressedOops && !VM_Version::supports_atomic_getset8()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3540
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3541
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3542
      if (UseCompressedOops && !VM_Version::supports_atomic_getset4()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3543
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3544
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3545
#else
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3546
      if (!VM_Version::supports_atomic_getset4()) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3547
        return false;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3548
      }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3549
#endif
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3550
      return append_unsafe_get_and_set_obj(callee, false);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  3551
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3552
    case vmIntrinsics::_Reference_get:
13486
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3553
      // Use the intrinsic version of Reference.get() so that the value in
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3554
      // the referent field can be registered by the G1 pre-barrier code.
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3555
      // Also to prevent commoning reads from this field across safepoint
4f0635e148c1 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops
kvn
parents: 13392
diff changeset
  3556
      // since GC can change its value.
9176
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3557
      preserves_state = true;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3558
      break;
42d9d1010f38 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents: 8725
diff changeset
  3559
18507
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3560
    case vmIntrinsics::_updateCRC32:
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3561
    case vmIntrinsics::_updateBytesCRC32:
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3562
    case vmIntrinsics::_updateByteBufferCRC32:
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3563
      if (!UseCRC32Intrinsics) return false;
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3564
      cantrap = false;
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3565
      preserves_state = true;
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3566
      break;
61bfc8995bb3 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents: 16611
diff changeset
  3567
14832
61b025224ac9 8004318: JEP-171: Support Unsafe fences intrinsics
kvn
parents: 14478
diff changeset
  3568
    case vmIntrinsics::_loadFence :
61b025224ac9 8004318: JEP-171: Support Unsafe fences intrinsics
kvn
parents: 14478
diff changeset
  3569
    case vmIntrinsics::_storeFence:
61b025224ac9 8004318: JEP-171: Support Unsafe fences intrinsics
kvn
parents: 14478
diff changeset
  3570
    case vmIntrinsics::_fullFence :
61b025224ac9 8004318: JEP-171: Support Unsafe fences intrinsics
kvn
parents: 14478
diff changeset
  3571
      break;
61b025224ac9 8004318: JEP-171: Support Unsafe fences intrinsics
kvn
parents: 14478
diff changeset
  3572
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3573
    default                       : return false; // do not inline
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3574
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3575
  // create intrinsic node
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3576
  const bool has_receiver = !callee->is_static();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3577
  ValueType* result_type = as_ValueType(callee->return_type());
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3578
  ValueStack* state_before = copy_state_for_exception();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3579
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3580
  Values* args = state()->pop_arguments(callee->arg_size());
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3581
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3582
  if (is_profiling()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3583
    // Don't profile in the special case where the root method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3584
    // is the intrinsic
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3585
    if (callee != method()) {
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3586
      // Note that we'd collect profile data in this method if we wanted it.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3587
      compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3588
      if (profile_calls()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3589
        Value recv = NULL;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3590
        if (has_receiver) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3591
          recv = args->at(0);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3592
          null_check(recv);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3593
        }
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  3594
        profile_call(callee, recv, NULL, collect_args_for_profiling(args, callee, true), true);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3595
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3596
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3597
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3598
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3599
  Intrinsic* result = new Intrinsic(result_type, id, args, has_receiver, state_before,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3600
                                    preserves_state, cantrap);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3601
  // append instruction & push result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3602
  Value value = append_split(result);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3603
  if (result_type != voidType) push(result_type, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3604
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  3605
  if (callee != method() && profile_return() && result_type->is_object_kind()) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  3606
    profile_return_type(result, callee);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  3607
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  3608
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3609
  // done
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3610
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3611
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3612
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3613
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3614
bool GraphBuilder::try_inline_jsr(int jsr_dest_bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3615
  // Introduce a new callee continuation point - all Ret instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3616
  // will be replaced with Gotos to this point.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3617
  BlockBegin* cont = block_at(next_bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3618
  assert(cont != NULL, "continuation must exist (BlockListBuilder starts a new block after a jsr");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3619
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3620
  // Note: can not assign state to continuation yet, as we have to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3621
  // pick up the state from the Ret instructions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3622
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3623
  // Push callee scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3624
  push_scope_for_jsr(cont, jsr_dest_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3625
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3626
  // Temporarily set up bytecode stream so we can append instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3627
  // (only using the bci of this stream)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3628
  scope_data()->set_stream(scope_data()->parent()->stream());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3629
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3630
  BlockBegin* jsr_start_block = block_at(jsr_dest_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3631
  assert(jsr_start_block != NULL, "jsr start block must exist");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3632
  assert(!jsr_start_block->is_set(BlockBegin::was_visited_flag), "should not have visited jsr yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3633
  Goto* goto_sub = new Goto(jsr_start_block, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3634
  // Must copy state to avoid wrong sharing when parsing bytecodes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3635
  assert(jsr_start_block->state() == NULL, "should have fresh jsr starting block");
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3636
  jsr_start_block->set_state(copy_state_before_with_bci(jsr_dest_bci));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3637
  append(goto_sub);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3638
  _block->set_end(goto_sub);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3639
  _last = _block = jsr_start_block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3640
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3641
  // Clear out bytecode stream
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3642
  scope_data()->set_stream(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3643
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3644
  scope_data()->add_to_work_list(jsr_start_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3645
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3646
  // Ready to resume parsing in subroutine
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3647
  iterate_all_blocks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3648
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3649
  // If we bailed out during parsing, return immediately (this is bad news)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3650
  CHECK_BAILOUT_(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3651
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3652
  // Detect whether the continuation can actually be reached. If not,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3653
  // it has not had state set by the join() operations in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3654
  // iterate_bytecodes_for_block()/ret() and we should not touch the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3655
  // iteration state. The calling activation of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3656
  // iterate_bytecodes_for_block will then complete normally.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3657
  if (cont->state() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3658
    if (!cont->is_set(BlockBegin::was_visited_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3659
      // add continuation to work list instead of parsing it immediately
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3660
      scope_data()->parent()->add_to_work_list(cont);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3661
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3662
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3663
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3664
  assert(jsr_continuation() == cont, "continuation must not have changed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3665
  assert(!jsr_continuation()->is_set(BlockBegin::was_visited_flag) ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3666
         jsr_continuation()->is_set(BlockBegin::parser_loop_header_flag),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3667
         "continuation can only be visited in case of backward branches");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3668
  assert(_last && _last->as_BlockEnd(), "block must have end");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3669
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3670
  // continuation is in work list, so end iteration of current block
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3671
  _skip_block = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3672
  pop_scope_for_jsr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3673
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3674
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3675
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3676
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3677
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3678
// Inline the entry of a synchronized method as a monitor enter and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3679
// register the exception handler which releases the monitor if an
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3680
// exception is thrown within the callee. Note that the monitor enter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3681
// cannot throw an exception itself, because the receiver is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3682
// guaranteed to be non-null by the explicit null check at the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3683
// beginning of inlining.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3684
void GraphBuilder::inline_sync_entry(Value lock, BlockBegin* sync_handler) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3685
  assert(lock != NULL && sync_handler != NULL, "lock or handler missing");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3686
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3687
  monitorenter(lock, SynchronizationEntryBCI);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3688
  assert(_last->as_MonitorEnter() != NULL, "monitor enter expected");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3689
  _last->set_needs_null_check(false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3690
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3691
  sync_handler->set(BlockBegin::exception_entry_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3692
  sync_handler->set(BlockBegin::is_on_work_list_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3693
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3694
  ciExceptionHandler* desc = new ciExceptionHandler(method()->holder(), 0, method()->code_size(), -1, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3695
  XHandler* h = new XHandler(desc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3696
  h->set_entry_block(sync_handler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3697
  scope_data()->xhandlers()->append(h);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3698
  scope_data()->set_has_handler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3699
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3700
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3701
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3702
// If an exception is thrown and not handled within an inlined
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3703
// synchronized method, the monitor must be released before the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3704
// exception is rethrown in the outer scope. Generate the appropriate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3705
// instructions here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3706
void GraphBuilder::fill_sync_handler(Value lock, BlockBegin* sync_handler, bool default_handler) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3707
  BlockBegin* orig_block = _block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3708
  ValueStack* orig_state = _state;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3709
  Instruction* orig_last = _last;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3710
  _last = _block = sync_handler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3711
  _state = sync_handler->state()->copy();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3712
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3713
  assert(sync_handler != NULL, "handler missing");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3714
  assert(!sync_handler->is_set(BlockBegin::was_visited_flag), "is visited here");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3715
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3716
  assert(lock != NULL || default_handler, "lock or handler missing");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3717
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3718
  XHandler* h = scope_data()->xhandlers()->remove_last();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3719
  assert(h->entry_block() == sync_handler, "corrupt list of handlers");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3720
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3721
  block()->set(BlockBegin::was_visited_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3722
  Value exception = append_with_bci(new ExceptionObject(), SynchronizationEntryBCI);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3723
  assert(exception->is_pinned(), "must be");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3724
8492
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3725
  int bci = SynchronizationEntryBCI;
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3726
  if (compilation()->env()->dtrace_method_probes()) {
8492
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3727
    // Report exit from inline methods.  We don't have a stream here
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3728
    // so pass an explicit bci of SynchronizationEntryBCI.
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3729
    Values* args = new Values(1);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13522
diff changeset
  3730
    args->push(append_with_bci(new Constant(new MethodConstant(method())), bci));
8492
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3731
    append_with_bci(new RuntimeCall(voidType, "dtrace_method_exit", CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit), args), bci);
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3732
  }
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3733
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3734
  if (lock) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3735
    assert(state()->locks_size() > 0 && state()->lock_at(state()->locks_size() - 1) == lock, "lock is missing");
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3736
    if (!lock->is_linked()) {
8492
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3737
      lock = append_with_bci(lock, bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3738
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3739
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3740
    // exit the monitor in the context of the synchronized method
8492
e93bfdd91c63 7021603: crash in fill_sync_handler with ExtendedDTrace probes
never
parents: 8066
diff changeset
  3741
    monitorexit(lock, bci);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3742
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3743
    // exit the context of the synchronized method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3744
    if (!default_handler) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3745
      pop_scope();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3746
      bci = _state->caller_state()->bci();
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3747
      _state = _state->caller_state()->copy_for_parsing();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3748
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3749
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3750
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3751
  // perform the throw as if at the the call site
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3752
  apush(exception);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3753
  throw_op(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3754
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3755
  BlockEnd* end = last()->as_BlockEnd();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3756
  block()->set_end(end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3757
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3758
  _block = orig_block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3759
  _state = orig_state;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3760
  _last = orig_last;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3761
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3762
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3763
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3764
bool GraphBuilder::try_inline_full(ciMethod* callee, bool holder_known, Bytecodes::Code bc, Value receiver) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3765
  assert(!callee->is_native(), "callee must not be native");
10014
a5c2141ee857 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 9182
diff changeset
  3766
  if (CompilationPolicy::policy()->should_not_inline(compilation()->env(), callee)) {
a5c2141ee857 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 9182
diff changeset
  3767
    INLINE_BAILOUT("inlining prohibited by policy");
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3768
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3769
  // first perform tests of things it's not possible to inline
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3770
  if (callee->has_exception_handlers() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3771
      !InlineMethodsWithExceptionHandlers) INLINE_BAILOUT("callee has exception handlers");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3772
  if (callee->is_synchronized() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3773
      !InlineSynchronizedMethods         ) INLINE_BAILOUT("callee is synchronized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3774
  if (!callee->holder()->is_initialized()) INLINE_BAILOUT("callee's klass not initialized yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3775
  if (!callee->has_balanced_monitors())    INLINE_BAILOUT("callee's monitors do not match");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3776
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3777
  // Proper inlining of methods with jsrs requires a little more work.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3778
  if (callee->has_jsrs()                 ) INLINE_BAILOUT("jsrs not handled properly by inliner yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3779
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3780
  // When SSE2 is used on intel, then no special handling is needed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3781
  // for strictfp because the enum-constant is fixed at compile time,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3782
  // the check for UseSSE2 is needed here
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3783
  if (strict_fp_requires_explicit_rounding && UseSSE < 2 && method()->is_strict() != callee->is_strict()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3784
    INLINE_BAILOUT("caller and callee have different strict fp requirements");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3785
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3786
7432
f06f1253c317 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 7427
diff changeset
  3787
  if (is_profiling() && !callee->ensure_method_data()) {
f06f1253c317 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 7427
diff changeset
  3788
    INLINE_BAILOUT("mdo allocation failed");
f06f1253c317 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 7427
diff changeset
  3789
  }
10257
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3790
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3791
  // now perform tests that are based on flag settings
23191
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3792
  if (callee->force_inline() || callee->should_inline()) {
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3793
    if (inline_level() > MaxForceInlineLevel                    ) INLINE_BAILOUT("MaxForceInlineLevel");
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3794
    if (recursive_inline_level(callee) > MaxRecursiveInlineLevel) INLINE_BAILOUT("recursive inlining too deep");
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3795
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3796
    const char* msg = "";
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3797
    if (callee->force_inline())  msg = "force inline by annotation";
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3798
    if (callee->should_inline()) msg = "force inline by CompileOracle";
5f3c5592f0e8 8035887: VM crashes trying to force inlining the recursive call
vlivanov
parents: 23190
diff changeset
  3799
    print_inlining(callee, msg);
10257
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3800
  } else {
15472
ae13b6ad6c25 8005439: no message about inline method if it specifed by CompileCommand
vlivanov
parents: 15209
diff changeset
  3801
    // use heuristic controls on inlining
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3802
    if (inline_level() > MaxInlineLevel                         ) INLINE_BAILOUT("inlining too deep");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3803
    if (recursive_inline_level(callee) > MaxRecursiveInlineLevel) INLINE_BAILOUT("recursive inlining too deep");
10506
575ad9bccff5 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 10257
diff changeset
  3804
    if (callee->code_size_for_inlining() > max_inline_size()    ) INLINE_BAILOUT("callee is too large");
10257
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3805
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3806
    // don't inline throwable methods unless the inlining tree is rooted in a throwable class
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3807
    if (callee->name() == ciSymbol::object_initializer_name() &&
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3808
        callee->holder()->is_subclass_of(ciEnv::current()->Throwable_klass())) {
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3809
      // Throwable constructor call
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3810
      IRScope* top = scope();
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3811
      while (top->caller() != NULL) {
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3812
        top = top->caller();
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3813
      }
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3814
      if (!top->method()->holder()->is_subclass_of(ciEnv::current()->Throwable_klass())) {
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3815
        INLINE_BAILOUT("don't inline Throwable constructors");
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3816
      }
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3817
    }
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3818
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3819
    if (compilation()->env()->num_inlined_bytecodes() > DesiredMethodLimit) {
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3820
      INLINE_BAILOUT("total inlining greater than DesiredMethodLimit");
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3821
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3822
    // printing
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  3823
    print_inlining(callee);
10257
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3824
  }
c633d62a88dc 7060619: C1 should respect inline and dontinline directives from CompilerOracle
never
parents: 10014
diff changeset
  3825
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3826
  // NOTE: Bailouts from this point on, which occur at the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3827
  // GraphBuilder level, do not cause bailout just of the inlining but
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3828
  // in fact of the entire compilation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3829
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3830
  BlockBegin* orig_block = block();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3831
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3832
  const bool is_invokedynamic = bc == Bytecodes::_invokedynamic;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3833
  const bool has_receiver = (bc != Bytecodes::_invokestatic && !is_invokedynamic);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3834
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3835
  const int args_base = state()->stack_size() - callee->arg_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3836
  assert(args_base >= 0, "stack underflow during inlining");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3837
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3838
  // Insert null check if necessary
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3839
  Value recv = NULL;
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3840
  if (has_receiver) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3841
    // note: null check must happen even if first instruction of callee does
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3842
    //       an implicit null check since the callee is in a different scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3843
    //       and we must make sure exception handling does the right thing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3844
    assert(!callee->is_static(), "callee must not be static");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3845
    assert(callee->arg_size() > 0, "must have at least a receiver");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3846
    recv = state()->stack_at(args_base);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3847
    null_check(recv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3848
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3849
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3850
  if (is_profiling()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3851
    // Note that we'd collect profile data in this method if we wanted it.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3852
    // this may be redundant here...
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3853
    compilation()->set_would_profile(true);
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3854
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3855
    if (profile_calls()) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3856
      int start = 0;
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  3857
      Values* obj_args = args_list_for_profiling(callee, start, has_receiver);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3858
      if (obj_args != NULL) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3859
        int s = obj_args->size();
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3860
        // if called through method handle invoke, some arguments may have been popped
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3861
        for (int i = args_base+start, j = 0; j < obj_args->size() && i < state()->stack_size(); ) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3862
          Value v = state()->stack_at_inc(i);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3863
          if (v->type()->is_object_kind()) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3864
            obj_args->push(v);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3865
            j++;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3866
          }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3867
        }
24313
2e10cd8a870f 8041481: JVM crashes with collect_args_for_profiling
roland
parents: 23191
diff changeset
  3868
        check_args_for_profiling(obj_args, s);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3869
      }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  3870
      profile_call(callee, recv, holder_known ? callee->holder() : NULL, obj_args, true);
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5882
diff changeset
  3871
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3872
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3873
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3874
  // Introduce a new callee continuation point - if the callee has
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3875
  // more than one return instruction or the return does not allow
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3876
  // fall-through of control flow, all return instructions of the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3877
  // callee will need to be replaced by Goto's pointing to this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3878
  // continuation point.
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3879
  BlockBegin* cont = block_at(next_bci());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3880
  bool continuation_existed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3881
  if (cont == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3882
    cont = new BlockBegin(next_bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3883
    // low number so that continuation gets parsed as early as possible
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3884
    cont->set_depth_first_number(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3885
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3886
    if (PrintInitialBlockList) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3887
      tty->print_cr("CFG: created block %d (bci %d) as continuation for inline at bci %d",
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3888
                    cont->block_id(), cont->bci(), bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3889
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3890
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3891
    continuation_existed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3892
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3893
  // Record number of predecessors of continuation block before
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3894
  // inlining, to detect if inlined method has edges to its
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3895
  // continuation after inlining.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3896
  int continuation_preds = cont->number_of_preds();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3897
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3898
  // Push callee scope
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3899
  push_scope(callee, cont);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3900
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3901
  // the BlockListBuilder for the callee could have bailed out
15209
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3902
  if (bailed_out())
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3903
      return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3904
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3905
  // Temporarily set up bytecode stream so we can append instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3906
  // (only using the bci of this stream)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3907
  scope_data()->set_stream(scope_data()->parent()->stream());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3908
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3909
  // Pass parameters into callee state: add assignments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3910
  // note: this will also ensure that all arguments are computed before being passed
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3911
  ValueStack* callee_state = state();
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3912
  ValueStack* caller_state = state()->caller_state();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3913
  for (int i = args_base; i < caller_state->stack_size(); ) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3914
    const int arg_no = i - args_base;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3915
    Value arg = caller_state->stack_at_inc(i);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3916
    store_local(callee_state, arg, arg_no);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3917
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3918
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3919
  // Remove args from stack.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3920
  // Note that we preserve locals state in case we can use it later
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3921
  // (see use of pop_scope() below)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3922
  caller_state->truncate_stack(args_base);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3923
  assert(callee_state->stack_size() == 0, "callee stack must be empty");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3924
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3925
  Value lock;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3926
  BlockBegin* sync_handler;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3927
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3928
  // Inline the locking of the receiver if the callee is synchronized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3929
  if (callee->is_synchronized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3930
    lock = callee->is_static() ? append(new Constant(new InstanceConstant(callee->holder()->java_mirror())))
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3931
                               : state()->local_at(0);
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  3932
    sync_handler = new BlockBegin(SynchronizationEntryBCI);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3933
    inline_sync_entry(lock, sync_handler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3934
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3935
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3936
  if (compilation()->env()->dtrace_method_probes()) {
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3937
    Values* args = new Values(1);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13522
diff changeset
  3938
    args->push(append(new Constant(new MethodConstant(method()))));
8065
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3939
    append(new RuntimeCall(voidType, "dtrace_method_entry", CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), args));
7ca689ce3d32 6809483: hotspot:::method_entry are not correctly generated for "method()V"
never
parents: 7432
diff changeset
  3940
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3941
11192
ff37c2093a0d 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks
iveresov
parents: 10730
diff changeset
  3942
  if (profile_inlined_calls()) {
ff37c2093a0d 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks
iveresov
parents: 10730
diff changeset
  3943
    profile_invocation(callee, copy_state_before_with_bci(SynchronizationEntryBCI));
ff37c2093a0d 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks
iveresov
parents: 10730
diff changeset
  3944
  }
ff37c2093a0d 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks
iveresov
parents: 10730
diff changeset
  3945
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3946
  BlockBegin* callee_start_block = block_at(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3947
  if (callee_start_block != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3948
    assert(callee_start_block->is_set(BlockBegin::parser_loop_header_flag), "must be loop header");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3949
    Goto* goto_callee = new Goto(callee_start_block, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3950
    // The state for this goto is in the scope of the callee, so use
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3951
    // the entry bci for the callee instead of the call site bci.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3952
    append_with_bci(goto_callee, 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3953
    _block->set_end(goto_callee);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3954
    callee_start_block->merge(callee_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3955
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3956
    _last = _block = callee_start_block;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3957
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3958
    scope_data()->add_to_work_list(callee_start_block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3959
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3960
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3961
  // Clear out bytecode stream
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3962
  scope_data()->set_stream(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3963
25644
5319fc0701c7 8049532: LogCompilation: C1: inlining tree is flat (no depth is stored)
vlivanov
parents: 25641
diff changeset
  3964
  CompileLog* log = compilation()->log();
5319fc0701c7 8049532: LogCompilation: C1: inlining tree is flat (no depth is stored)
vlivanov
parents: 25641
diff changeset
  3965
  if (log != NULL) log->head("parse method='%d'", log->identify(callee));
5319fc0701c7 8049532: LogCompilation: C1: inlining tree is flat (no depth is stored)
vlivanov
parents: 25641
diff changeset
  3966
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3967
  // Ready to resume parsing in callee (either in the same block we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3968
  // were in before or in the callee's start block)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3969
  iterate_all_blocks(callee_start_block == NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3970
25644
5319fc0701c7 8049532: LogCompilation: C1: inlining tree is flat (no depth is stored)
vlivanov
parents: 25641
diff changeset
  3971
  if (log != NULL) log->done("parse");
5319fc0701c7 8049532: LogCompilation: C1: inlining tree is flat (no depth is stored)
vlivanov
parents: 25641
diff changeset
  3972
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3973
  // If we bailed out during parsing, return immediately (this is bad news)
15209
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3974
  if (bailed_out())
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  3975
      return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3976
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3977
  // iterate_all_blocks theoretically traverses in random order; in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3978
  // practice, we have only traversed the continuation if we are
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3979
  // inlining into a subroutine
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3980
  assert(continuation_existed ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3981
         !continuation()->is_set(BlockBegin::was_visited_flag),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3982
         "continuation should not have been parsed yet if we created it");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3983
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3984
  // At this point we are almost ready to return and resume parsing of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3985
  // the caller back in the GraphBuilder. The only thing we want to do
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3986
  // first is an optimization: during parsing of the callee we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3987
  // generated at least one Goto to the continuation block. If we
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3988
  // generated exactly one, and if the inlined method spanned exactly
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3989
  // one block (and we didn't have to Goto its entry), then we snip
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3990
  // off the Goto to the continuation, allowing control to fall
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3991
  // through back into the caller block and effectively performing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3992
  // block merging. This allows load elimination and CSE to take place
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3993
  // across multiple callee scopes if they are relatively simple, and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3994
  // is currently essential to making inlining profitable.
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3995
  if (num_returns() == 1
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3996
      && block() == orig_block
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3997
      && block() == inline_cleanup_block()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3998
    _last  = inline_cleanup_return_prev();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  3999
    _state = inline_cleanup_state();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4000
  } else if (continuation_preds == cont->number_of_preds()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4001
    // Inlining caused that the instructions after the invoke in the
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4002
    // caller are not reachable any more. So skip filling this block
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4003
    // with instructions!
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4004
    assert(cont == continuation(), "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4005
    assert(_last && _last->as_BlockEnd(), "");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4006
    _skip_block = true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4007
  } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4008
    // Resume parsing in continuation block unless it was already parsed.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4009
    // Note that if we don't change _last here, iteration in
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4010
    // iterate_bytecodes_for_block will stop when we return.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4011
    if (!continuation()->is_set(BlockBegin::was_visited_flag)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4012
      // add continuation to work list instead of parsing it immediately
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4013
      assert(_last && _last->as_BlockEnd(), "");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4014
      scope_data()->parent()->add_to_work_list(continuation());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4015
      _skip_block = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4016
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4017
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4018
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4019
  // Fill the exception handler for synchronized methods with instructions
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4020
  if (callee->is_synchronized() && sync_handler->state() != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4021
    fill_sync_handler(lock, sync_handler);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4022
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4023
    pop_scope();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4024
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4025
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4026
  compilation()->notice_inlined_method(callee);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4027
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4028
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4029
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4030
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4031
13522
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  4032
bool GraphBuilder::try_method_handle_inline(ciMethod* callee) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4033
  ValueStack* state_before = state()->copy_for_parsing();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4034
  vmIntrinsics::ID iid = callee->intrinsic_id();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4035
  switch (iid) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4036
  case vmIntrinsics::_invokeBasic:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4037
    {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4038
      // get MethodHandle receiver
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4039
      const int args_base = state()->stack_size() - callee->arg_size();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4040
      ValueType* type = state()->stack_at(args_base)->type();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4041
      if (type->is_constant()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4042
        ciMethod* target = type->as_ObjectType()->constant_value()->as_method_handle()->get_vmtarget();
14130
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4043
        // We don't do CHA here so only inline static and statically bindable methods.
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4044
        if (target->is_static() || target->can_be_statically_bound()) {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4045
          Bytecodes::Code bc = target->is_static() ? Bytecodes::_invokestatic : Bytecodes::_invokevirtual;
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4046
          if (try_inline(target, /*holder_known*/ true, bc)) {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4047
            return true;
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4048
          }
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4049
        } else {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4050
          print_inlining(target, "not static or statically bindable", /*success*/ false);
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4051
        }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4052
      } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4053
        print_inlining(callee, "receiver not constant", /*success*/ false);
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4054
      }
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4055
    }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4056
    break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4057
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4058
  case vmIntrinsics::_linkToVirtual:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4059
  case vmIntrinsics::_linkToStatic:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4060
  case vmIntrinsics::_linkToSpecial:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4061
  case vmIntrinsics::_linkToInterface:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4062
    {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4063
      // pop MemberName argument
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4064
      const int args_base = state()->stack_size() - callee->arg_size();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4065
      ValueType* type = apop()->type();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4066
      if (type->is_constant()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4067
        ciMethod* target = type->as_ObjectType()->constant_value()->as_member_name()->get_vmtarget();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4068
        // If the target is another method handle invoke try recursivly to get
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4069
        // a better target.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4070
        if (target->is_method_handle_intrinsic()) {
13522
5ad4627e792a 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 13487
diff changeset
  4071
          if (try_method_handle_inline(target)) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4072
            return true;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4073
          }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4074
        } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4075
          ciSignature* signature = target->signature();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4076
          const int receiver_skip = target->is_static() ? 0 : 1;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4077
          // Cast receiver to its type.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4078
          if (!target->is_static()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4079
            ciKlass* tk = signature->accessing_klass();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4080
            Value obj = state()->stack_at(args_base);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4081
            if (obj->exact_type() == NULL &&
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4082
                obj->declared_type() != tk && tk != compilation()->env()->Object_klass()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4083
              TypeCast* c = new TypeCast(tk, obj, state_before);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4084
              append(c);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4085
              state()->stack_at_put(args_base, c);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4086
            }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4087
          }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4088
          // Cast reference arguments to its type.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4089
          for (int i = 0, j = 0; i < signature->count(); i++) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4090
            ciType* t = signature->type_at(i);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4091
            if (t->is_klass()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4092
              ciKlass* tk = t->as_klass();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4093
              Value obj = state()->stack_at(args_base + receiver_skip + j);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4094
              if (obj->exact_type() == NULL &&
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4095
                  obj->declared_type() != tk && tk != compilation()->env()->Object_klass()) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4096
                TypeCast* c = new TypeCast(t, obj, state_before);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4097
                append(c);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4098
                state()->stack_at_put(args_base + receiver_skip + j, c);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4099
              }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4100
            }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4101
            j += t->size();  // long and double take two slots
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4102
          }
14130
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4103
          // We don't do CHA here so only inline static and statically bindable methods.
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4104
          if (target->is_static() || target->can_be_statically_bound()) {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4105
            Bytecodes::Code bc = target->is_static() ? Bytecodes::_invokestatic : Bytecodes::_invokevirtual;
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4106
            if (try_inline(target, /*holder_known*/ true, bc)) {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4107
              return true;
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4108
            }
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4109
          } else {
84137805c41f 8000821: JSR 292: C1 fails to call virtual method (JRUBY-6920)
twisti
parents: 13964
diff changeset
  4110
            print_inlining(target, "not static or statically bindable", /*success*/ false);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4111
          }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4112
        }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4113
      } else {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4114
        print_inlining(callee, "MemberName not constant", /*success*/ false);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4115
      }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4116
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4117
    break;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4118
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4119
  default:
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4120
    fatal(err_msg("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4121
    break;
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4122
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4123
  set_state(state_before);
10509
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4124
  return false;
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4125
}
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4126
43d670e5701e 7079673: JSR 292: C1 should inline bytecoded method handle adapters
twisti
parents: 10506
diff changeset
  4127
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4128
void GraphBuilder::inline_bailout(const char* msg) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4129
  assert(msg != NULL, "inline bailout msg must exist");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4130
  _inline_bailout_msg = msg;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4131
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4132
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4133
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4134
void GraphBuilder::clear_inline_bailout() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4135
  _inline_bailout_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4136
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4137
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4139
void GraphBuilder::push_root_scope(IRScope* scope, BlockList* bci2block, BlockBegin* start) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4140
  ScopeData* data = new ScopeData(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4141
  data->set_scope(scope);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4142
  data->set_bci2block(bci2block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4143
  _scope_data = data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4144
  _block = start;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4145
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4146
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4147
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4148
void GraphBuilder::push_scope(ciMethod* callee, BlockBegin* continuation) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4149
  IRScope* callee_scope = new IRScope(compilation(), scope(), bci(), callee, -1, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4150
  scope()->add_callee(callee_scope);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4151
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4152
  BlockListBuilder blb(compilation(), callee_scope, -1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4153
  CHECK_BAILOUT();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4154
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4155
  if (!blb.bci2block()->at(0)->is_set(BlockBegin::parser_loop_header_flag)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4156
    // this scope can be inlined directly into the caller so remove
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4157
    // the block at bci 0.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4158
    blb.bci2block()->at_put(0, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4159
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4160
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  4161
  set_state(new ValueStack(callee_scope, state()->copy(ValueStack::CallerState, bci())));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4162
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4163
  ScopeData* data = new ScopeData(scope_data());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4164
  data->set_scope(callee_scope);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4165
  data->set_bci2block(blb.bci2block());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4166
  data->set_continuation(continuation);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4167
  _scope_data = data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4168
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4169
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4170
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4171
void GraphBuilder::push_scope_for_jsr(BlockBegin* jsr_continuation, int jsr_dest_bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4172
  ScopeData* data = new ScopeData(scope_data());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4173
  data->set_parsing_jsr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4174
  data->set_jsr_entry_bci(jsr_dest_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4175
  data->set_jsr_return_address_local(-1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4176
  // Must clone bci2block list as we will be mutating it in order to
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4177
  // properly clone all blocks in jsr region as well as exception
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4178
  // handlers containing rets
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4179
  BlockList* new_bci2block = new BlockList(bci2block()->length());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4180
  new_bci2block->push_all(bci2block());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4181
  data->set_bci2block(new_bci2block);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4182
  data->set_scope(scope());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4183
  data->setup_jsr_xhandlers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4184
  data->set_continuation(continuation());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4185
  data->set_jsr_continuation(jsr_continuation);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4186
  _scope_data = data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4187
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4188
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4189
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4190
void GraphBuilder::pop_scope() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4191
  int number_of_locks = scope()->number_of_locks();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4192
  _scope_data = scope_data()->parent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4193
  // accumulate minimum number of monitor slots to be reserved
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4194
  scope()->set_min_number_of_locks(number_of_locks);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4195
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4196
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4197
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4198
void GraphBuilder::pop_scope_for_jsr() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4199
  _scope_data = scope_data()->parent();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4200
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4201
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4202
bool GraphBuilder::append_unsafe_get_obj(ciMethod* callee, BasicType t, bool is_volatile) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4203
  if (InlineUnsafeOps) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4204
    Values* args = state()->pop_arguments(callee->arg_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4205
    null_check(args->at(0));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4206
    Instruction* offset = args->at(2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4207
#ifndef _LP64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4208
    offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4209
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4210
    Instruction* op = append(new UnsafeGetObject(t, args->at(1), offset, is_volatile));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4211
    push(op->type(), op);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4212
    compilation()->set_has_unsafe_access(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4213
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4214
  return InlineUnsafeOps;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4215
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4216
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4217
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4218
bool GraphBuilder::append_unsafe_put_obj(ciMethod* callee, BasicType t, bool is_volatile) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4219
  if (InlineUnsafeOps) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4220
    Values* args = state()->pop_arguments(callee->arg_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4221
    null_check(args->at(0));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4222
    Instruction* offset = args->at(2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4223
#ifndef _LP64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4224
    offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4225
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4226
    Instruction* op = append(new UnsafePutObject(t, args->at(1), offset, args->at(3), is_volatile));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4227
    compilation()->set_has_unsafe_access(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4228
    kill_all();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4229
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4230
  return InlineUnsafeOps;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4231
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4232
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4233
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4234
bool GraphBuilder::append_unsafe_get_raw(ciMethod* callee, BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4235
  if (InlineUnsafeOps) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4236
    Values* args = state()->pop_arguments(callee->arg_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4237
    null_check(args->at(0));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4238
    Instruction* op = append(new UnsafeGetRaw(t, args->at(1), false));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4239
    push(op->type(), op);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4240
    compilation()->set_has_unsafe_access(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4241
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4242
  return InlineUnsafeOps;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4243
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4244
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4245
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4246
bool GraphBuilder::append_unsafe_put_raw(ciMethod* callee, BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4247
  if (InlineUnsafeOps) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4248
    Values* args = state()->pop_arguments(callee->arg_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4249
    null_check(args->at(0));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4250
    Instruction* op = append(new UnsafePutRaw(t, args->at(1), args->at(2)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4251
    compilation()->set_has_unsafe_access(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4252
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4253
  return InlineUnsafeOps;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4254
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4255
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4256
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4257
void GraphBuilder::append_unsafe_CAS(ciMethod* callee) {
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  4258
  ValueStack* state_before = copy_state_for_exception();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4259
  ValueType* result_type = as_ValueType(callee->return_type());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4260
  assert(result_type->is_int(), "int result");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4261
  Values* args = state()->pop_arguments(callee->arg_size());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4262
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4263
  // Pop off some args to speically handle, then push back
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4264
  Value newval = args->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4265
  Value cmpval = args->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4266
  Value offset = args->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4267
  Value src = args->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4268
  Value unsafe_obj = args->pop();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4269
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4270
  // Separately handle the unsafe arg. It is not needed for code
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4271
  // generation, but must be null checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4272
  null_check(unsafe_obj);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4273
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4274
#ifndef _LP64
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4275
  offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4276
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4277
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4278
  args->push(src);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4279
  args->push(offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4280
  args->push(cmpval);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4281
  args->push(newval);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4282
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4283
  // An unsafe CAS can alias with other field accesses, but we don't
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4284
  // know which ones so mark the state as no preserved.  This will
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4285
  // cause CSE to invalidate memory across it.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4286
  bool preserves_state = false;
6745
a34ef8968a84 6986046: C1 valuestack cleanup
roland
parents: 6461
diff changeset
  4287
  Intrinsic* result = new Intrinsic(result_type, callee->intrinsic_id(), args, false, state_before, preserves_state);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4288
  append_split(result);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4289
  push(result_type, result);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4290
  compilation()->set_has_unsafe_access(true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4291
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4292
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4293
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4294
void GraphBuilder::print_inlining(ciMethod* callee, const char* msg, bool success) {
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4295
  CompileLog* log = compilation()->log();
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4296
  if (log != NULL) {
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4297
    if (success) {
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4298
      if (msg != NULL)
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4299
        log->inline_success(msg);
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4300
      else
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4301
        log->inline_success("receiver is statically known");
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4302
    } else {
15209
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  4303
      if (msg != NULL)
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  4304
        log->inline_fail(msg);
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  4305
      else
c30466e03ea1 8006095: C1: SIGSEGV w/ -XX:+LogCompilation
vlivanov
parents: 14832
diff changeset
  4306
        log->inline_fail("reason unknown");
13964
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4307
    }
01a2b863cc61 7177003: C1: LogCompilation support
vlivanov
parents: 13886
diff changeset
  4308
  }
29582
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4309
#if INCLUDE_TRACE
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4310
  EventCompilerInlining event;
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4311
  if (event.should_commit()) {
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4312
    event.set_compileID(compilation()->env()->task()->compile_id());
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4313
    event.set_message(msg);
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4314
    event.set_succeeded(success);
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4315
    event.set_bci(bci());
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4316
    event.set_caller(method()->get_Method());
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4317
    event.set_callee(callee->to_trace_struct());
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4318
    event.commit();
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4319
  }
9a0bb63adf5a 8073607: add trace events for inlining
iignatyev
parents: 29083
diff changeset
  4320
#endif // INCLUDE_TRACE
20073
bfc95277d42b 8022585: VM crashes when ran with -XX:+PrintInlining
kvn
parents: 19715
diff changeset
  4321
  if (!PrintInlining && !compilation()->method()->has_option("PrintInlining")) {
bfc95277d42b 8022585: VM crashes when ran with -XX:+PrintInlining
kvn
parents: 19715
diff changeset
  4322
    return;
bfc95277d42b 8022585: VM crashes when ran with -XX:+PrintInlining
kvn
parents: 19715
diff changeset
  4323
  }
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4324
  CompileTask::print_inlining(callee, scope()->level(), bci(), msg);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4325
  if (success && CIPrintMethodCodes) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4326
    callee->print_codes();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4327
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4328
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4329
13886
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4330
bool GraphBuilder::append_unsafe_get_and_set_obj(ciMethod* callee, bool is_add) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4331
  if (InlineUnsafeOps) {
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4332
    Values* args = state()->pop_arguments(callee->arg_size());
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4333
    BasicType t = callee->return_type()->basic_type();
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4334
    null_check(args->at(0));
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4335
    Instruction* offset = args->at(2);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4336
#ifndef _LP64
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4337
    offset = append(new Convert(Bytecodes::_l2i, offset, as_ValueType(T_INT)));
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4338
#endif
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4339
    Instruction* op = append(new UnsafeGetAndSetObject(t, args->at(1), offset, args->at(3), is_add));
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4340
    compilation()->set_has_unsafe_access(true);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4341
    kill_all();
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4342
    push(op->type(), op);
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4343
  }
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4344
  return InlineUnsafeOps;
8d82c4dfa722 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
roland
parents: 13728
diff changeset
  4345
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4346
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 13291
diff changeset
  4347
#ifndef PRODUCT
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4348
void GraphBuilder::print_stats() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4349
  vmap()->print();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4350
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4351
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4352
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  4353
void GraphBuilder::profile_call(ciMethod* callee, Value recv, ciKlass* known_holder, Values* obj_args, bool inlined) {
22238
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4354
  assert(known_holder == NULL || (known_holder->is_instance_klass() &&
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4355
                                  (!known_holder->is_interface() ||
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4356
                                   ((ciInstanceKlass*)known_holder)->has_default_methods())), "should be default method");
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4357
  if (known_holder != NULL) {
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4358
    if (known_holder->exact_klass() == NULL) {
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4359
      known_holder = compilation()->cha_exact_type(known_holder);
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4360
    }
21576
e7cac8551ec2 8027632: assert(xtype->klass_is_exact()) failed: Should be exact at graphKit.cpp
roland
parents: 21209
diff changeset
  4361
  }
22238
71131b418c03 8028064: tiered may collect wrong receiver type at virtual call
roland
parents: 21576
diff changeset
  4362
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20073
diff changeset
  4363
  append(new ProfileCall(method(), bci(), callee, recv, known_holder, obj_args, inlined));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4364
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4365
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4366
void GraphBuilder::profile_return_type(Value ret, ciMethod* callee, ciMethod* m, int invoke_bci) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4367
  assert((m == NULL) == (invoke_bci < 0), "invalid method and invalid bci together");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4368
  if (m == NULL) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4369
    m = method();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4370
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4371
  if (invoke_bci < 0) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4372
    invoke_bci = bci();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4373
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4374
  ciMethodData* md = m->method_data_or_null();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4375
  ciProfileData* data = md->bci_to_data(invoke_bci);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4376
  if (data->is_CallTypeData() || data->is_VirtualCallTypeData()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4377
    append(new ProfileReturnType(m , invoke_bci, callee, ret));
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4378
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4379
}
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  4380
6751
b399fd234e47 6988346: 6986046 breaks tiered
iveresov
parents: 6745
diff changeset
  4381
void GraphBuilder::profile_invocation(ciMethod* callee, ValueStack* state) {
b399fd234e47 6988346: 6986046 breaks tiered
iveresov
parents: 6745
diff changeset
  4382
  append(new ProfileInvoke(callee, state));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  4383
}